Sniper efi 4 hole spacer

Sniper EFI Fuel Rail Spacer Set; Fits Holley LS3, LS7 Sniper Fabricated Intake Manifolds; Billet Aluminum; Black Finish; Set of 6 ... [1 in. Tall 4-Hole Plenum] (16) SNIPER EFI SEALING PLATE. For 4150 Flange Sniper EFI systems. Part # 520-2. 2 Reviews ... Includes one open plenum and one 4 hole gasket; Reduces air turbulence which results in a more quiet driving experience ... its almost un noticeable and only happens at a certain throttle position. This spacer system completely resolved that. 1978 Jeep J10 ...Jun 15, 2018 · Four-hole spacers help build low- and midrange torque. They're particularly useful in applications that require a great deal of part-throttle operation. Wilson says the four-hole design improves... FOUR HOLE 1″ SPACER TO SUIT SQUARE BORE CARBURETTORS. COMES COMPLETE WITH MOUNTING STUDS, NUTS AND GASKET AS SHOWN IN THE PICTURE. MADE OF PHENOLIC MATERIAL TO KEEP YOUR CARBURETTOR COOL. IF YOU WANT TO INCREASE YOUR ENGINES HORSE POWER AND TORQUE THEN THIS IS THE ONE FOR YOU.I also have a 1" open spacer and a 2" 4 hole spacer I can try with the efi as well. Thank you. 1974 chevelle with 73 laguna nose sbc 357 Brodix IK180 heads Comp Cams XE274H Edelbrock RPM airgap 650 AED double pumper, M20 muncie, Truetrac with 3.73s Tom Mobley In Memoriam 66 El Camino 57 Chevy pickup 2004 Tahoe Joined Oct 9, 1998 27,862 PostsThe whistling noise was definitely a thing with the Sniper EFI. The solution was to install a 4-hole spacer under the throttle body. I obtained a 1/2 inch thick, 4-hole Woodfiber Laminate spacer and re-routed the fuel line to account for the extra 1/2″ of height. A test drive revealed that the spacer improved but did not eliminate the noise.Holley EFI Injection Kits ». Holley Terminator EFI Fuel Injection Systems. Sort. View. Items 1-32 of 32. Holley Terminator EFI 4BBL Throttle Body Fuel Injection Kit - Grey. Item #: 550-406. FREE shipping to the USA and it's territories on ALL Holley products. Price: $3,000.00. For Troubleshooting Tips setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance. Sniper Stealth 4150 Self-Tuning Fuel Injection System Master Kit Features: Holley 4150 flange EFI carburetor replacement; Supports up to 650 naturally aspirated HP or 600 forced-induction HP using (4) 100 lbs./hr InjectorsThe 4 hole spacer is supposed to stop the whistle. There's a passage to the idle air control and partially covering the passage stops the whistle. As a benefit, spacers usually increase performance. And the system easily self-tunes to adjust for the spacer. rhutt Registered Joined Sep 13, 2014 1,796 Posts #6 · Feb 2, 2019Buy Holley Sniper EFI 520-2 SNIPER EFI SEALING PLATE: ... Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack" Buy Holley Sniper EFI 520-2 SNIPER EFI SEALING PLATE: ... Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack" 100" dome pistons, Edelbrock RPM oval ports, ZZ502 cam With features such as cast injection bosses, 4500 series carburetor flange, four corner water bosses, and The use of your stock throttle body combined with this EFI Intake Manifold will require a Throttle Body Spacer, part # 860003B, for proper clearance 6L 3v (Fits: Ford F-150) 2 out of 5 ...Apr 30, 2018 · 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL Also there is Fitech jm Feature--100% TIG Welded, Feature--1/8 in Intake manifolds constructed from cast aluminum, polymer, or fabricated from sheet aluminum But apparently, a 4 hole spacer also has advantages under Sniper EFI: https://forums For best results, Holley strongly recommends an in-tank pump For best results, Holley strongly recommends an in-tank pump.2019-07-24 The whistling noise was definitely a thing with the Sniper EFI. The solution was to install a 4-hole spacer under the throttle body. I obtained a 1/2 inch thick, 4-hole Woodfiber Laminate spacer and re-routed the fuel line to account for the extra 1/2″ of height.Oct 14, 2020 · Since the IAC is on the back of the throttle body there may be some dual plane manifold setups using a 4 hole gasket or spacer where the front two barrels are not instantly seeing/sensing the opening of IAC when the front throttle blades are moved. For Troubleshooting Tips setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance. Sniper Stealth 4150 Self-Tuning Fuel Injection System Master Kit Features: Holley 4150 flange EFI carburetor replacement; Supports up to 650 naturally aspirated HP or 600 forced-induction HP using (4) 100 lbs./hr InjectorsThe Sniper will never finish learning. Something as simple as weather, temperature, and elevation changes can dictate how much fuel an engine needs. Therefore, every time you drive, the Sniper will keep learning to get closer to your target Air/Fuel Ratio. It will rough in the base table in as little as 10 miles. Last edited by Mr Joshua; 01-10-2007 at 06:27 PM . I have used both spacers and prefer the open spacer over the 4 hole on a dual plane intake. Open spacer makes the idle tuning much easier because of the improved signal and pulls harder in the upper rpm range. 4 hole is only good for a little more torque down low.Holley 102MM THROTTLE BODY FLANGE. Rating * Name *Email *Review Subject *Comments You May Also Like... Quick view. 1000 CFM TB HOLLEY EFI. $785.95. Add to Cart. Quick view. 1955-57 Chevy LS Swap Header Balck Ceramic Unisteer. $735.95. Add to Cart. Quick view. 1955-57 Chevy LS Swap Header (TITANIUM) Unisteer.100" dome pistons, Edelbrock RPM oval ports, ZZ502 cam With features such as cast injection bosses, 4500 series carburetor flange, four corner water bosses, and The use of your stock throttle body combined with this EFI Intake Manifold will require a Throttle Body Spacer, part # 860003B, for proper clearance 6L 3v (Fits: Ford F-150) 2 out of 5 ...Sniper EFI Fuel Rail Spacer Set; Fits Holley LS3, LS7 Sniper Fabricated Intake Manifolds; Billet Aluminum; Black Finish; Set of 6 ... [1 in. Tall 4-Hole Plenum] (16) 1863rd yoo jonghyuk Jan 09, 2020 · I've tested open, 4 hole, and tapered 4 hole 1-inch spacers with wet throttle body EFI. 4 hole spacers can (I did not say "will") rob some upper mid range and top end power, mess with MAP readings, and can cause excessive pooling of fuel in the bottom of the plenum using a wet throttle body like the Sniper and others. Buy Holley Sniper EFI 520-2 SNIPER EFI SEALING PLATE: ... Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack" Added 4-hole spacer to stop whistle, now manifold vacuum port blocked. 08-29-2021, 12:59 PM. Added a one inch four hole spacer to get rid of the annoying hiss & whistle (had an open one inch spacer prior) and now I have manifold vacuum port issues. ... Holley Sniper EFI with HyperSpark, Comp Cams, NOS cheater plate with powershot solenoids ...2019-07-24 The whistling noise was definitely a thing with the Sniper EFI. The solution was to install a 4-hole spacer under the throttle body. I obtained a 1/2 inch thick, 4-hole Woodfiber Laminate spacer and re-routed the fuel line to account for the extra 1/2″ of height.The Sniper EFI System will absolutely work fine in your rock crawler, Todd. The challenge will be what you call the "right fuel system". Designing a fuel system that can pick up fuel at all fill levels and with a nearly 90-degree angle on the tank is a challenge. Fortunately, Holley has another product that can solve that: Hydramat..The Go EFI 4 Self Tuning Fuel Injection is rated at 600 HP but is suitable for engines from 200hp thru 600hp. This system is perfect for your everyday Driver right up to your weekend Street Machine or Bracket Racer. ... No hole in your firewall and no unsightly harness draped across your engine. This is also the only computer mounted throttle ...the same amount as the spacer thickness. Example: a 3/4" spacer requires a 1-1/2" + 3/4" = 2-1/4" socket head bolt. Step 3:REINSTALL the button head screw that you removed from the fuel pressure regulator. Tighten using a 3/32" Allen wrench. Step 4:Connect one end of the inner and outer springs to the small hole at the bottom of the aluminum ...Holley 20-16 Sniper Efi Throttle Lever Extension, Black. ... Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack" Holley HOL 20-40 20-40 Transmission Kickdown Stud #1 Best Seller . Holley Carburetor Throttle Ball Assortment, Zinc. Add to Cart .2" Phenolic 4 Brl 4 Hole Square Flange Carb Carburetor Spacer Available $23.50 Add to cart Quick Fuel Brawler Race Series Carburetor 950 CFM 4-Barrel Mech Sec BR-67202 Available $671.95 Add to cart Quick Fuel Brawler Race Series Carburetor 850 CFM 4-Barrel Mech Sec BR-67201 Available $632.95 Add to cartDec 29, 2020 · Then use a piece of 1/4" or 5/16" aluminum and make your blockoff plate. I used the paper and pencil shading technique last week to make a template for a WIX 3 hole remote fuel filter bracket that we mounted in my son's 66 Mustang during his Holley Sniper install. Poor video but it show the technique at 30 seconds if I did not describe it clearly. It took several things. 1) Fuel Pump for EFI. I installed a Holley Sniper Retrofit pump in my fuel tank. I removed the tank, had it professionally cleaned at a shop, used the 3 1/4" hole saw to creat room for the pump. I followed instructions and installed the pump. 2) Fuel Lines.View Holley Sniper EFI Self-Tuning Kit - Shiny Finish. Bolt on 4150 Flange Carburetor Replacement. Throttle body mounted ECU - no extra boxes to mount. Supports up to 650hp. . Holley carb stumble at cruise. 2 days ago · Search: Holley Carb Lean At Part Throttle. My Dad and I installed a Holley 4010 on his 83 Capri back in the late 80's and that was the first carburetor I ever worked on Then ... id check app I'm running a ICE Holley Sniper 550-510 EFI 4150 4-Barrel Self-Tuning Base Kit (more details) Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with. The Pro-Filer / Wilson 23 Degree Intake Manifold is designed with the perfect runner to plenum volume to maximize the power and acceleration curves of your engine Dual Plane Mid Rise EFI Intake Manifold by Holley® Holley, Weiand, MSD, and Sniper Intake Manifolds are no strangers to the performance aftermarket To begin our testing, we started with a Holley Mid-Rise single-plane intake (PN 300 ... Buy Holley Sniper EFI 520-2 SNIPER EFI SEALING PLATE: Automotive - Amazon.com FREE DELIVERY possible on eligible purchases Skip to main content ... Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack" 4.8 out of 5 stars ...The Sniper will never finish learning. Something as simple as weather, temperature, and elevation changes can dictate how much fuel an engine needs. Therefore, every time you drive, the Sniper will keep learning to get closer to your target Air/Fuel Ratio. It will rough in the base table in as little as 10 miles. Carburetor Spacer Tapered Phenolic 4150 4-Hole Part Number: 555-15420 Click image to zoom $81.99 $73.99 SAVE $8.00 3 left in stock Lowest Price Guarantee "The Edge" Carburetor Spacer 4150 4-Hole 1" Spacer 1.750" Bore Size Made in the USA Includes: (1) 4-Hole Carburetor Gasket (1) Open Carburetor Gasket Carburetor Studs, Nuts & WashersTRM 1" 4-Hole Aluminum Spacer. 4150 Flange, 1.700 Bore. TRM 1" 4-Hole Aluminum Spacer. 4150 Flange, 1.700 Bore. ... Edelbrock 28875 Super Victor LS7 EFI Manifold for 4150 Style Throttle Bodies ... Holley Intake Manifold Upper New for Olds Suburban SaVana Cutlass Pontiac. $743.20. Free shipping Free shipping Free shipping. Sniper 870007B ...Jun 15, 2018 · Four-hole spacers help build low- and midrange torque. They're particularly useful in applications that require a great deal of part-throttle operation. Wilson says the four-hole design improves... Oct 14, 2020 · Since the IAC is on the back of the throttle body there may be some dual plane manifold setups using a 4 hole gasket or spacer where the front two barrels are not instantly seeing/sensing the opening of IAC when the front throttle blades are moved. Buy Holley Sniper EFI 520-2 SNIPER EFI SEALING PLATE: ... Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack" Holley 829082 Sniper EFI Fabricated Intake Manifold 2005-10 Ford 4 Engine dyno test of Holley's Sniper EFI conversion Enjoy the tech support even more, had an 02 sensor failure this past week The dual plenum intake is available for the LS1, LS2, LS3, LS6, and L92 engines and includes throttle body spacers, installation kit, and the fuel rail ... The Sniper Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated, or 800-1250 HP on forced induction applications. The Sniper Stealth 4500 also features multiple Input and Output options for sensor inputs and switched outputs to control external relays. Feature--100% TIG Welded, Feature--1/8 in Sniper EFI should work the OEM 4 hole manifolds too Zelda Rom Hacks Gba Sniper EFI should work the OEM 4 hole manifolds too. Butler Performance Inc #38-4508 and 38-4509: Fits 4 barrel V8's and supports 250-650 horsepower with four injectors Should I change out my dual-plane to a single-plane intake ...Jul 12, 2022 · On the Pontiac engine that's a different story. It has a Victor single-plane and it loved a Wilson 4-hole taper spacer 1 1/2 inches tall. Again, I just put the Sniper right on that without changing anything and it works fine as well. Two completely different engine combos with different spacers using the same Super Sniper Stealth units. Apr 23, 2018 · 822051-1 Sniper EFI Fabricated Intake Manifold LS3/LS92 Single Plane (1 x 4150 flange) ... 860012 – GM LS1/2/6 92mm Black Throttle Body Spacer Holley Sniper 2300 EFI Self Tuning Kit Shiny 550-849. $950.00 + $62.55 shipping + $62.55 shipping + $62.55 shipping. ... Holley 565-322K Sniper EFI HyperSpark Distributor Kit Fits Ford 260. Read the "199R10632rev5" PDF document for a "V2 Software Update Overview" (in " Holley EFI V2 Instructions "). Be sure to successfully install the new V2 ...The Sniper EFI Sealing Plate comes with two gaskets, and is designed to eliminate any air turbulence between your throttle body and intake manifold. This turbulence generally presents itself in the form of a whistling noise Features: Includes one open plenum and one 4 hole gasket Apr 30, 2018 · 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL Sep 26, 2021 · Open or 4-hole spacer? In some cases an open spacer will tend to produce IAC whistle under part throttle conditions. You can search IAC whistle for more information. I solved mine with a 4-hole spacer with the center cut out, and there are tapered spacers that also change the flow path under the IAC path to eliminate the whistle. But apparently, a 4 hole spacer also has advantages under Sniper EFI: https://forums Note the water fittings on front and middle of flanges Holley 829082 Sniper EFI Fabricated Intake Manifold 2005-10 Ford 4 Engine is: ATK 454 shortblock However, Holley’s Sniper Self-Tuning TBI EFI unit kicks all my pro-carb arguments in the teeth However ... The whistling noise was definitely a thing with the Sniper EFI. The solution was to install a 4-hole spacer under the throttle body. I obtained a 1/2 inch thick, 4-hole Woodfiber Laminate spacer and re-routed the fuel line to account for the extra 1/2″ of height. A test drive revealed that the spacer improved but did not eliminate the noise.Description: AR438 is a spacer which moves the thermostat up one inch to provide room for a fuel injection TX3 type coolant temp sensor. The new EFI kits from FAST and Holley require a TX3 coolant temp sensor but factory water pump housings do not have an extra 3/8 NPT port available. This spacer provides an offset location so the coolant ... This spacer not only eliminated the whistle, but it keeps the throttle body much cooler than before; which is critical with the Sniper system because the ECU is part of the throttle body. Also, the bore holes are 1 3/4", which means the throttle blades and air flow will not be impeded by the gasket.Add To Cart. holley sniper efi. Sniper EFI Throttle Lever Extension. $15.29. Part# 20-16. Add To Cart. Overview. The Sniper EFI Sealing Plate comes with two gaskets, and is designed to eliminate any air turbulence between your throttle body and intake manifold. This turbulence generally presents itself in the form of a whistling noise. Oct 14, 2020 · Since the IAC is on the back of the throttle body there may be some dual plane manifold setups using a 4 hole gasket or spacer where the front two barrels are not instantly seeing/sensing the opening of IAC when the front throttle blades are moved. Part Number. 860013. Emissions. 5. Tech Resources. Designed for use with Sniper EFI intake manifolds 820041, 822041, 830041, 822111, 820111, and 830111 when utilizing a stock throttle body. Warranty Information. Sniper EFI Fuel Rail Spacer Set; Fits Holley LS3, LS7 Sniper Fabricated Intake Manifolds; Billet Aluminum; Black Finish; Set of 6 ... [1 in. Tall 4-Hole Plenum] (16) ALSO, most Holley inlet extensions use a female AN fitting. The Sniper uses a male inlet fitting. And on that subject, the inlet fittings that Holley installs are too short. When you tighten up the supplied fuel feed lines the fuel hose is pulled very tightly against the throttle position sensor plug. Horrible design.The Holley Super Sniper High Performance EFI kit comes with a coolant temperature sensor and an O2 sensor, both of which must be used for the EFI to work properly Intake Manifold Sniper EFI 102mm Throttle Body Flange Multi Port Black GM LS3 / L92 Dual plane intakes can potentially cause hard start Issues " 100" dome pistons, Edelbrock RPM oval ...It took several things. 1) Fuel Pump for EFI. I installed a Holley Sniper Retrofit pump in my fuel tank. I removed the tank, had it professionally cleaned at a shop, used the 3 1/4" hole saw to creat room for the pump. I followed instructions and installed the pump. 2) Fuel Lines.The whistling noise was definitely a thing with the Sniper EFI . The solution was to install a 4-hole spacer under the throttle body. I obtained a 1/2 inch thick, 4-hole Woodfiber Laminate spacer and re-routed the fuel line to account for the extra 1/2″ of height. A test drive revealed that the spacer improved but did not eliminate the noise.4-Hole Tapered Carburetor Spacers Throttle Bodies ... Dominator 1.5" EFI Spacer. Regular price $1,100 View. Injector Dynamics ID 2600XDS. Regular ... Sniper EFI Throttle Body Adapter Plate (4-bolt) 78mm intake to 92mm Throttle Body- Black Finish;Sold Invidually; Spacer plates allows the use of a 4-bolt Sniper 92mm throttle body on a factory intake with 78mm opening; Constructed of Billet aluminum for strength; Adapter plate Black finish to match Sniper Throttle bodies;. View Holley Sniper EFI Self-Tuning Kit - Shiny Finish. Bolt on 4150 Flange Carburetor Replacement. Throttle body mounted ECU - no extra boxes to mount. Supports up to 650hp. . Holley carb stumble at cruise. 2 days ago · Search: Holley Carb Lean At Part Throttle. My Dad and I installed a Holley 4010 on his 83 Capri back in the late 80's and that was the first carburetor I ever worked on Then ...Find FORD 5.8L/351 Ford small block Windsor Holley Sniper and get Free Shipping on Orders Over $99 at Summit Racing! $5 Off Your $100 Mobile App Purchase ... Fuel Tank, Sniper EFI, 22 Gallons Capacity, Steel, Silver Powdercoated, Baffled Sump, Ford, Kit. Part Number: SNE-19-117. 4.86 out of 5 stars. Estimated Ship Date: Today. Free Shipping;Holley 17-87 Gen 3 Dominator Black Billet 4 hole Spacer. $290.95. Part# 17-87. holley. Holley 20-267 Billet Aluminum Throttle Cable Bracket. $132.95. ... Holley Sniper EFI Emission Code: 3: Product Type: Throttle Body Fuel Injection Systems: UPC: 090127105252: Manufacturer Part Number: 550-1071: Part Number:We dyno test spread-bore fueling on a 1968 Olds 4-4-2 with a rebuilt Rochester Quadra-Jet versus a Holley Sniper EFI. Close Ad. News. Reviews. ... the top of the manifold without the spacer. As ...Find FORD 5.8L/351 Ford small block Windsor Holley Sniper and get Free Shipping on Orders Over $99 at Summit Racing! $5 Off Your $100 Mobile App Purchase ... Fuel Tank, Sniper EFI, 22 Gallons Capacity, Steel, Silver Powdercoated, Baffled Sump, Ford, Kit. Part Number: SNE-19-117. 4.86 out of 5 stars. Estimated Ship Date: Today. Free Shipping;Carb To EFI Adapters; EFI. Throttle Body Injection (TBI) Spacers; Multi-Port Fuel Injection (MPFI) Spacers; ... (Inline) 2-5/8 in. Bolt Center FORD 460 Honda B 210,. Thread: Sniper EFI - '77 Ford 460. Thread Tools. Show Printable Version; 09-16-2020, 06:55 PM #11. AndyF. View Profile View Forum Posts Private Message ...Correct, a 4-hole spacer is quieter under a Sniper TBI unit. (HeavyChevy, this has been discussed many times in the Sniper EFI forum. Search the Sniper EFI forum about installing a ¼", ½" or 1" four hole spacer. Read post #24 HERE .) May God's grace bless you in the Lord Jesus Christ.TRM 1" 4-Hole Aluminum Spacer. 4150 Flange, 1.700 Bore. TRM 1" 4-Hole Aluminum Spacer. 4150 Flange, 1.700 Bore. ... Edelbrock 28875 Super Victor LS7 EFI Manifold for 4150 Style Throttle Bodies ... Holley Intake Manifold Upper New for Olds Suburban SaVana Cutlass Pontiac. $743.20. Free shipping Free shipping Free shipping. Sniper 870007B ...Discussion Starter · #1 · Apr 22, 2020. Recently installed a holley sniper efi system on my 67 6cyl easy install and system setup with the handheld. Engine started right up and ran great however on the first test drive about 3 miles from home it quit turned everything off about a min.started right up quit about 4 /5 times before I got back home. Aug 02, 2017 · This simple lever alters the linkage geometry and slows down the rate of opening of the Sniper's throttle blades. This makes for smoother acceleration in your cruiser, hot rod, or off-road vehicle. The Throttle Extension Lever is also compatible with MSD's Atomic 2 EFI. holley efi Part# 520-1 holley sniper efi SNIPER EFI SEALING PLATE $29.46. Holley states that the operating range for the new intake is 1600-6800 rpm and will work with both boosted and naturally-aspirated configurations as well Sniper EFI should work the OEM 4 hole manifolds too Free shipping Holley 829082 Sniper EFI Fabricated Intake Manifold 2005-10 Ford 4 . https://www https://www.Be the first to review “1/2″ Phenolic 4 Hole Carburettor Spacer” Cancel reply. ... Holley Sniper EFI; Fuel Pumps And Fuel Regulators. Aug 02, 2017 · This simple lever alters the linkage geometry and slows down the rate of opening of the Sniper's throttle blades. This makes for smoother acceleration in your cruiser, hot rod, or off-road vehicle. The Throttle Extension Lever is also compatible with MSD's Atomic 2 EFI. holley efi Part# 520-1 holley sniper efi SNIPER EFI SEALING PLATE $29.46. Holley has stated that several times. You can use a open spacer under the throttle body or cut down the divider on a dual plane. Or do a combination of both. Last update I saw from Holley suggested 1 inch of open space under the throttle body or just use a single plane manifold. 73 Hornet - 401EFI - THM400 - Twin Grip 20.Be the first to review “1/2″ Phenolic 4 Hole Carburettor Spacer” Cancel reply. ... Holley Sniper EFI; Fuel Pumps And Fuel Regulators. the best products for your car Shopping Cart: Your cart is currently 0 productsThe Sniper EFI Sealing Plate comes with two gaskets, and is designed to eliminate any air turbulence between your throttle body and intake manifold. This turbulence generally presents itself in the form of a whistling noise Features: Includes one open plenum and one 4 hole gasket TRM 1" 4-Hole Aluminum Spacer. 4150 Flange, 1.700 Bore. TRM 1" 4-Hole Aluminum Spacer. 4150 Flange, 1.700 Bore. ... Edelbrock 28875 Super Victor LS7 EFI Manifold for 4150 Style Throttle Bodies ... Holley Intake Manifold Upper New for Olds Suburban SaVana Cutlass Pontiac. $743.20. Free shipping Free shipping Free shipping. Sniper 870007B ...Fuel Injectors & EFI Components Garage Sale #10 Fuel Rail 18” Pair Anodized and Lasered. From $104 ... Carburetor Spacer 4150 / 1.50" 4-Hole Tapered. From what I've read the sniper efi randomly fires fuel on left and right bank, thus supposedly causing the issue with dual plane. I know my performer RPM has a bit of the center divider cut down and an open type spacer would only benefit that, but what does this super sucker do being it's a 4 hole milled underneath.Holley states that the operating range for the new intake is 1600-6800 rpm and will work with both boosted and naturally-aspirated configurations as well Sniper EFI should work the OEM 4 hole manifolds too Free shipping Holley 829082 Sniper EFI Fabricated Intake Manifold 2005-10 Ford 4 . https://www https://www.Sep 26, 2021 · Open or 4-hole spacer? In some cases an open spacer will tend to produce IAC whistle under part throttle conditions. You can search IAC whistle for more information. I solved mine with a 4-hole spacer with the center cut out, and there are tapered spacers that also change the flow path under the IAC path to eliminate the whistle. See all 15 photos To illustrate this point, we first compared the long runner LS6 to the short runner Holley SNIPER EFI SHEET METAL FABRICATED INTAKE MANIFOLD Hi-Ram Sheet Metal Fabricated Intake Manifold LS3/L92 92mm Throttle Body Spacer + Fuel Rail Kit Black with Sniper EFI logo Holley Sniper EFI Fabricated Manifolds continue to push the ...Holley has stated that several times. You can use a open spacer under the throttle body or cut down the divider on a dual plane. Or do a combination of both. Last update I saw from Holley suggested 1 inch of open space under the throttle body or just use a single plane manifold. 73 Hornet - 401EFI - THM400 - Twin Grip 20.The use of your stock throttle body combined with this EFI Intake Manifold will require a Throttle Body Spacer, part # 860003B, ... Sniper LS3 EFI Fabricated 92mm Dual Plenum Intake Manifold 822201, Silver Holley continues to push the envelope of intake design with its latest offering That work continues today through Holley's market-leading ...Apr 23, 2018 · 822051-1 Sniper EFI Fabricated Intake Manifold LS3/LS92 Single Plane (1 x 4150 flange) ... 860012 – GM LS1/2/6 92mm Black Throttle Body Spacer Products matching "holley-sniper-efi-self-tuning-fuel-injection-system-550-510" 6L 3v Mustang It is a dual plane, that makes power from IDLE to This cast EFI intake elbow allows the use of GM LS or Ford 5 Better scenario is a dual-plane with a spacer Better scenario is a dual-plane with a spacer. Products matching "holley-sniper-efi-self-tuning-fuel-injection-system-550-510" 6L 3v Mustang It is a dual plane, that makes power from IDLE to This cast EFI intake elbow allows the use of GM LS or Ford 5 Better scenario is a dual-plane with a spacer Better scenario is a dual-plane with a spacer.Aug 29, 2021 · 406 SBC with progressive single stage of nitrous Dart SHP block, Dart Pro1 heads, Holley Sniper EFI with HyperSpark, Comp Cams, NOS cheater plate with powershot solenoids. 700R-4 ProBuilt, Moser 12 bolt with 3.91 gears and a TruTrack, UMI suspension with Konis, big brakes, 6-point roll bar, lowered, Boze Forged 18" wheels with Falken 660 tires. The 4 hole spacer is supposed to stop the whistle. There's a passage to the idle air control and partially covering the passage stops the whistle. As a benefit, spacers usually increase performance. And the system easily self-tunes to adjust for the spacer. rhutt Registered Joined Sep 13, 2014 1,796 Posts #6 · Feb 2, 2019Sniper EFI Fuel Rail Spacer Set; Fits Holley LS3, LS7 Sniper Fabricated Intake Manifolds; Billet Aluminum; Black Finish; Set of 6 ... [1 in. Tall 4-Hole Plenum] (16) Apr 30, 2018 · 2. Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. Using the correct length carb stud and nuts, tighten the Sniper EFI throttle body down progressively in a “criss-cross” pattern (60-80 in.lbs.). 3. Install the throttle linkage to the Sniper EFI throttle body. vodafone stock Buy Holley Sniper EFI 520-2 SNIPER EFI SEALING PLATE: ... Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack" FOUR HOLE 1″ SPACER TO SUIT SQUARE BORE CARBURETTORS. COMES COMPLETE WITH MOUNTING STUDS, NUTS AND GASKET AS SHOWN IN THE PICTURE. MADE OF PHENOLIC MATERIAL TO KEEP YOUR CARBURETTOR COOL. IF YOU WANT TO INCREASE YOUR ENGINES HORSE POWER AND TORQUE THEN THIS IS THE ONE FOR YOU. Feature--100% TIG Welded, Feature--1/8 in Sniper EFI should work the OEM 4 hole manifolds too Zelda Rom Hacks Gba Sniper EFI should work the OEM 4 hole manifolds too. Butler Performance Inc #38-4508 and 38-4509: Fits 4 barrel V8's and supports 250-650 horsepower with four injectors Should I change out my dual-plane to a single-plane intake ...My setup is 350 GM crate engine, rated 390 HP with GM dual-plane intake, Sniper 550-510, 1 inch spacer, HEI, Holley Fuel Tank Module 12-316 with about 400 miles. IAC set at 4-6% at operating idle. I'll do another (shorter) datalog to better identify when the issue is happening. I'll then try to post Config File and latest Datalog. AndyFDescription: AR438 is a spacer which moves the thermostat up one inch to provide room for a fuel injection TX3 type coolant temp sensor. The new EFI kits from FAST and Holley require a TX3 coolant temp sensor but factory water pump housings do not have an extra 3/8 NPT port available. This spacer provides an offset location so the coolant ... Find FORD 5.8L/351 Ford small block Windsor Holley Sniper and get Free Shipping on Orders Over $99 at Summit Racing! $5 Off Your $100 Mobile App Purchase ... Fuel Tank, Sniper EFI, 22 Gallons Capacity, Steel, Silver Powdercoated, Baffled Sump, Ford, Kit. Part Number: SNE-19-117. 4.86 out of 5 stars. Estimated Ship Date: Today. Free Shipping;Products matching "holley-sniper-efi-self-tuning-fuel-injection-system-550-510" 6L 3v Mustang It is a dual plane, that makes power from IDLE to This cast EFI intake elbow allows the use of GM LS or Ford 5 Better scenario is a dual-plane with a spacer Better scenario is a dual-plane with a spacer. Feb 19, 2022 · Ive been able to fit a 1” spacer and a 4” filter on a sbc with RPM intake this way. Still cleared the throttle linkage. 1970 Malibu, 385 Stroker,TH350 w/ Gearvendors, 3600 Converter, Sniper EFI, Home Built HEI, Home Built Hydro Boost, C6 Brakes, 3.55 12 bolt. Discussion Starter · #16 · Jun 23, 2007. 10secBu said: Well, the dyno results prove that the 4 hole builds torque lower in the rpm range where the open spacer does it's work a bit higher in the rpm range. But it's clear the difference is 5hp/tq (or less) either way which on the average car likely wouldn't be noticed on a time slip.4. Apply a drop of oil to the socket head cap screws, place the spacers between the fuel rail and the mounting bosses, and thread in the socket head cap screws. 5. Tighten the fasteners in two steps -44 in -lbs. for the first step and 89 in lbs. for the second step. 6. Check and make sure the injector is floating on the O-ring.4. Apply a drop of oil to the socket head cap screws, place the spacers between the fuel rail and the mounting bosses, and thread in the socket head cap screws. 5. Tighten the fasteners in two steps -44 in -lbs. for the first step and 89 in lbs. for the second step. 6. Check and make sure the injector is floating on the O-ring.For Troubleshooting Tips setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance. Sniper Stealth 4150 Self-Tuning Fuel Injection System Master Kit Features: Holley 4150 flange EFI carburetor replacement; Supports up to 650 naturally aspirated HP or 600 forced-induction HP using (4) 100 lbs./hr InjectorsThe use of your stock throttle body combined with this EFI Intake Manifold will require a Throttle Body Spacer, part # 860003B, for proper clearance Secret Beach Belize The GT350 manifold struggles pretty hard at lower RPMs without the ability to control the charge motion control valves – though it does edge out the BOSS 302 intake manifold ... Discussion Starter · #1 · Apr 22, 2020. Recently installed a holley sniper efi system on my 67 6cyl easy install and system setup with the handheld. Engine started right up and ran great however on the first test drive about 3 miles from home it quit turned everything off about a min.started right up quit about 4 /5 times before I got back home. But apparently, a 4 hole spacer also has advantages under Sniper EFI: https://forums Note the water fittings on front and middle of flanges Holley 829082 Sniper EFI Fabricated Intake Manifold 2005-10 Ford 4 Engine is: ATK 454 shortblock However, Holley’s Sniper Self-Tuning TBI EFI unit kicks all my pro-carb arguments in the teeth However ... The Sniper will never finish learning. Something as simple as weather, temperature, and elevation changes can dictate how much fuel an engine needs. Therefore, every time you drive, the Sniper will keep learning to get closer to your target Air/Fuel Ratio. It will rough in the base table in as little as 10 miles. Holley 17-88 Gen 3 Dominator Black Billet 4 hole Spacer, 2.4 Inch Bore Universal Fit, 1.5" Overall Thickness Ships Free. Fig. 6.32. ... This throttle body spacer is designed for use with Holley Sniper EFI fabricated intake manifolds # 829031, #829032, #839031, ...Fuel Injectors & EFI Components Garage Sale #10 Fuel Rail 18” Pair Anodized and Lasered. From $104 ... Carburetor Spacer 4150 / 1.50" 4-Hole Tapered. The Sniper EFI throttle body is available in three finishes: shiny, black ceramic, and classic gold. Choose Your Ratio One of the great features of the Sniper is the ability to set your air/fuel ratio (AFR) where you want it. A Stoichiometric air-fuel ratio is 14.7, which is the ideal ratio for "exhausting" the lowest emissions.Be the first to review "1/2″ Phenolic 4 Hole Carburettor Spacer" Cancel reply. You must be logged in to post a review. Related products. Add to Wishlist Add to Compare. Carburettor Spacers ... Holley Sniper EFI; Fuel Pumps And Fuel Regulators. Carburettor Fuel Pressure Regulators; EFI Fuel Pressure Regulators; Fuel Pressure Regulator Kits;May 08, 2011 · The 1/2" open spacer made around 11 hp and 10 ft-lbs torque more than the 4-hole spacer and the 1 1/2" HVH Super Sucker spacer made an additional 6 hp over the open spacer. Plans are to try both the 4-hole and open spacer after the engine is installed for street driving to see what differences are noticed. If you find yourself with a whistling Sniper EFI System and are in the second group, then customers have had good luck eliminating the noise with a 4-hole spacer. This particular spacer is 1 11/16 is it is an identical match to the Sniper EFI System. Ensure that you have enough hood clearance to add a 1/2-inch spacer. Discussion Starter · #16 · Jun 23, 2007. 10secBu said: Well, the dyno results prove that the 4 hole builds torque lower in the rpm range where the open spacer does it's work a bit higher in the rpm range. But it's clear the difference is 5hp/tq (or less) either way which on the average car likely wouldn't be noticed on a time slip.Find FORD 5.8L/351 Ford small block Windsor Holley Sniper and get Free Shipping on Orders Over $99 at Summit Racing! $5 Off Your $100 Mobile App Purchase ... Fuel Tank, Sniper EFI, 22 Gallons Capacity, Steel, Silver Powdercoated, Baffled Sump, Ford, Kit. Part Number: SNE-19-117. 4.86 out of 5 stars. Estimated Ship Date: Today. Free Shipping;If you still want to play with that idea, I'd first try comparing a 1/2" 4-hole spacer to a 1/2" open spacer. Red Forman: "The Mustang's front end is problematic; get yourself a Firebird." 06-05-2018 #5 weircc Registered User Join Date Aug 2013 Posts 71The Sniper will never finish learning. Something as simple as weather, temperature, and elevation changes can dictate how much fuel an engine needs. Therefore, every time you drive, the Sniper will keep learning to get closer to your target Air/Fuel Ratio. It will rough in the base table in as little as 10 miles. Holley Sniper 2300 EFI Self Tuning Kit Shiny 550-849. $950.00 + $62.55 shipping + $62.55 shipping + $62.55 shipping. ... Holley 565-322K Sniper EFI HyperSpark Distributor Kit Fits Ford 260. Read the "199R10632rev5" PDF document for a "V2 Software Update Overview" (in " Holley EFI V2 Instructions "). Be sure to successfully install the new V2 ...Dec 29, 2020 · Then use a piece of 1/4" or 5/16" aluminum and make your blockoff plate. I used the paper and pencil shading technique last week to make a template for a WIX 3 hole remote fuel filter bracket that we mounted in my son's 66 Mustang during his Holley Sniper install. Poor video but it show the technique at 30 seconds if I did not describe it clearly. Discussion Starter · #16 · Jun 23, 2007. 10secBu said: Well, the dyno results prove that the 4 hole builds torque lower in the rpm range where the open spacer does it's work a bit higher in the rpm range. But it's clear the difference is 5hp/tq (or less) either way which on the average car likely wouldn't be noticed on a time slip.ICT Billet Throttle Body Adapters 551597-3B-102. Adapter LS 92mm 3 Bolt Intake to 102mm 4 Bolt Throttle Body - LS1 / Truck. Part Number: ICB-551597-3B102. Not Yet Reviewed. Estimated Ship Date: Today. $38.99. Add To Cart. Compare.Edelbrock Pro-Flo 4 EFI kit #35650 for 1970-91 AMC 304, 360, 390, 401 c.i V8 engines. The EFI kit comes with a 4150-Style Single plane satin finish Victor Intake manifold and 35LbHr Injectors capable of 550 Max HP. www.edelbrock.com.. Helped a friend install a Sniper on his 302. It runs good. This spacer has 1.75" bore, which is made for a standard 4150 carburetor. We offer the most complete line of 4-Hole Tapered spacers in 390, 4150, 4500, Q-Jet & 2bbl adapters to provide the high performance consumer with the ability to tune their engine for the maximum performance for any application. Jul 09, 2022 · Holley Sniper EFI 822101-1 Sniper Low-Profile Sheet Metal Intake Manifold LS. ... Mr. Gasket 6009 Aluminum Carburetor Spacer Kit 4 Hole Center for Holley Carter. TRM 1" 4-Hole Aluminum Spacer. 4150 Flange, 1.700 Bore. TRM 1" 4-Hole Aluminum Spacer. 4150 Flange, 1.700 Bore. ... Edelbrock 28875 Super Victor LS7 EFI Manifold for 4150 Style Throttle Bodies ... Holley Intake Manifold Upper New for Olds Suburban SaVana Cutlass Pontiac. $743.20. Free shipping Free shipping Free shipping. Sniper 870007B ...May 08, 2011 · The 1/2" open spacer made around 11 hp and 10 ft-lbs torque more than the 4-hole spacer and the 1 1/2" HVH Super Sucker spacer made an additional 6 hp over the open spacer. Plans are to try both the 4-hole and open spacer after the engine is installed for street driving to see what differences are noticed. Jul 09, 2022 · Holley Sniper EFI 822101-1 Sniper Low-Profile Sheet Metal Intake Manifold LS. ... Mr. Gasket 6009 Aluminum Carburetor Spacer Kit 4 Hole Center for Holley Carter. Holley 102MM THROTTLE BODY FLANGE. Rating * Name *Email *Review Subject *Comments You May Also Like... Quick view. 1000 CFM TB HOLLEY EFI. $785.95. Add to Cart. Quick view. 1955-57 Chevy LS Swap Header Balck Ceramic Unisteer. $735.95. Add to Cart. Quick view. 1955-57 Chevy LS Swap Header (TITANIUM) Unisteer.The GT350 manifold might be the best upgrade for the 2015+ Mustang GTs but not for the 2011-14 5 0L throttle bodies on any intake manifold w/ the 4150 mounting flange Sniper EFI should work the OEM 4 hole manifolds too To get great performance out of any engine, the components must work together Make Model Chassis Series Year Body Type Engine ...View Holley Sniper EFI Self-Tuning Kit - Shiny Finish. Bolt on 4150 Flange Carburetor Replacement. Throttle body mounted ECU – no extra boxes to mount. Supports up to 650hp with Four 100 Lb/Hr Injectors! All of the wiring exits below the rear fuel injector cover, for a completely stealth installation. Feb 19, 2022 · Ive been able to fit a 1” spacer and a 4” filter on a sbc with RPM intake this way. Still cleared the throttle linkage. 1970 Malibu, 385 Stroker,TH350 w/ Gearvendors, 3600 Converter, Sniper EFI, Home Built HEI, Home Built Hydro Boost, C6 Brakes, 3.55 12 bolt. Last edited by Mr Joshua; 01-10-2007 at 06:27 PM . I have used both spacers and prefer the open spacer over the 4 hole on a dual plane intake. Open spacer makes the idle tuning much easier because of the improved signal and pulls harder in the upper rpm range. 4 hole is only good for a little more torque down low.The Holley Super Sniper High Performance EFI kit comes with a coolant temperature sensor and an O2 sensor, both of which must be used for the EFI to work properly Intake Manifold Sniper EFI 102mm Throttle Body Flange Multi Port Black GM LS3 / L92 Dual plane intakes can potentially cause hard start Issues " 100" dome pistons, Edelbrock RPM oval ...Buy Holley Sniper EFI 520-2 SNIPER EFI SEALING PLATE: ... Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack" honduras tattoo ideas Also there is Fitech jm Feature--100% TIG Welded, Feature--1/8 in Intake manifolds constructed from cast aluminum, polymer, or fabricated from sheet aluminum But apparently, a 4 hole spacer also has advantages under Sniper EFI: https://forums For best results, Holley strongly recommends an in-tank pump For best results, Holley strongly recommends an in-tank pump.Holley Super Sniper EFI Easy Improvements. In this video I show you two inexpensive and easy improvements you can make to your Holley Super Sniper 1250 or H...Sniper EFI Selector 4BBL - Shiny Stealth 4150 - Black 2300 - Gold Quadrajet - Gold Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended) Throttle body mounted ECU - no extra boxes to mount Supports up to 650hp with Four 100 Lb/Hr Injectors!Jul 09, 2022 · Holley Sniper EFI 822101-1 Sniper Low-Profile Sheet Metal Intake Manifold LS. ... Mr. Gasket 6009 Aluminum Carburetor Spacer Kit 4 Hole Center for Holley Carter. Sniper EFI Fuel Rail Spacer Set; Fits Holley LS3, LS7 Sniper Fabricated Intake Manifolds; Billet Aluminum; Black Finish; Set of 6 ... [1 in. Tall 4-Hole Plenum] (16) Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack" ... Purchased this secondary throttle linkage for the Holley Sniper EFI system on my 68 F-100's 390 FE. Sniper by itself had the truck starting better than it had in my family's 30+ year ownership of the truck and it still ran as good as it did ...Discussion Starter · #16 · Jun 23, 2007. 10secBu said: Well, the dyno results prove that the 4 hole builds torque lower in the rpm range where the open spacer does it's work a bit higher in the rpm range. But it's clear the difference is 5hp/tq (or less) either way which on the average car likely wouldn't be noticed on a time slip.The Sniper EFI throttle body is available in three finishes: shiny, black ceramic, and classic gold. Choose Your Ratio One of the great features of the Sniper is the ability to set your air/fuel ratio (AFR) where you want it. A Stoichiometric air-fuel ratio is 14.7, which is the ideal ratio for "exhausting" the lowest emissions.The Sniper EFI throttle body is available in three finishes: shiny, black ceramic, and classic gold. Choose Your Ratio One of the great features of the Sniper is the ability to set your air/fuel ratio (AFR) where you want it. A Stoichiometric air-fuel ratio is 14.7, which is the ideal ratio for "exhausting" the lowest emissions.FOUR HOLE 1″ SPACER TO SUIT SQUARE BORE CARBURETTORS. COMES COMPLETE WITH MOUNTING STUDS, NUTS AND GASKET AS SHOWN IN THE PICTURE. MADE OF PHENOLIC MATERIAL TO KEEP YOUR CARBURETTOR COOL. IF YOU WANT TO INCREASE YOUR ENGINES HORSE POWER AND TORQUE THEN THIS IS THE ONE FOR YOU.The Sniper EFI throttle body is available in three finishes: shiny, black ceramic, and classic gold. Choose Your Ratio One of the great features of the Sniper is the ability to set your air/fuel ratio (AFR) where you want it. A Stoichiometric air-fuel ratio is 14.7, which is the ideal ratio for "exhausting" the lowest emissions. turbo 400 transmission shifting too early Sep 26, 2021 · Open or 4-hole spacer? In some cases an open spacer will tend to produce IAC whistle under part throttle conditions. You can search IAC whistle for more information. I solved mine with a 4-hole spacer with the center cut out, and there are tapered spacers that also change the flow path under the IAC path to eliminate the whistle. Part Number. 860013. Emissions. 5. Tech Resources. Designed for use with Sniper EFI intake manifolds 820041, 822041, 830041, 822111, 820111, and 830111 when utilizing a stock throttle body. Warranty Information. Jul 18, 2018 · 1,257 Posts. Discussion Starter · #6 · Jul 22, 2018. Fired the engine today, started on the first crank and ran better than it ever has with the carb. 1974 chevelle with 73 laguna nose sbc 357 Brodix IK180 heads Comp Cams XE274H Edelbrock RPM airgap 650 AED double pumper, M20 muncie, Truetrac with 3.73s. Y. Oct 14, 2020 · Since the IAC is on the back of the throttle body there may be some dual plane manifold setups using a 4 hole gasket or spacer where the front two barrels are not instantly seeing/sensing the opening of IAC when the front throttle blades are moved. Apr 30, 2018 · 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL #38-4508 and 38-4509: Fits 4 barrel V8's and supports 250-650 horsepower with four injectors Good scenario, dual-plane with the divider machined down 0L Coyote 90mm Throttle Body opening + Fuel Rail Kit Black with Sniper EFI logo Installs directly to the factory Rochester 2GC intake manifold, no adapter required Available in Holley 829031 ...2019-07-24 The whistling noise was definitely a thing with the Sniper EFI. The solution was to install a 4-hole spacer under the throttle body. I obtained a 1/2 inch thick, 4-hole Woodfiber Laminate spacer and re-routed the fuel line to account for the extra 1/2″ of height.Also there is Fitech jm Feature--100% TIG Welded, Feature--1/8 in Intake manifolds constructed from cast aluminum, polymer, or fabricated from sheet aluminum But apparently, a 4 hole spacer also has advantages under Sniper EFI: https://forums For best results, Holley strongly recommends an in-tank pump For best results, Holley strongly recommends an in-tank pump.Feature--100% TIG Welded, Feature--1/8 in Sniper EFI should work the OEM 4 hole manifolds too Zelda Rom Hacks Gba Sniper EFI should work the OEM 4 hole manifolds too. Butler Performance Inc #38-4508 and 38-4509: Fits 4 barrel V8's and supports 250-650 horsepower with four injectors Should I change out my dual-plane to a single-plane intake ...Fuel Injectors & EFI Components Garage Sale #10 Fuel Rail 18" Pair Anodized and Lasered. From $104 View #12 Fuel Rail 18" Pair Anodized and Lasered ... Carburetor Spacer 4150 / 1.50" 4-Hole Tapered. Regular price $209 View. Carburetor Spacer 4150 / 2.00" 4-Hole Tapered. Regular price $230 ...Be the first to review "1/2″ Phenolic 4 Hole Carburettor Spacer" Cancel reply. You must be logged in to post a review. Related products. Add to Wishlist Add to Compare. Carburettor Spacers ... Holley Sniper EFI; Fuel Pumps And Fuel Regulators. Carburettor Fuel Pressure Regulators; EFI Fuel Pressure Regulators; Fuel Pressure Regulator Kits;Holley Sniper is known to make a whistle sometimes due to the placement of the IAC passage near a throttle butterfly. Holley recommends a 1/4" 4 hole spacer to quiet the whistle. Sniper loud whistle/hiss normal? - Page 4, The spacer Holley recommends is Mr. Gasket part #758. That gasket has slightly undersized bores, which isn't a problem.View Holley Sniper EFI Self-Tuning Kit - Shiny Finish. Bolt on 4150 Flange Carburetor Replacement. Throttle body mounted ECU – no extra boxes to mount. Supports up to 650hp with Four 100 Lb/Hr Injectors! All of the wiring exits below the rear fuel injector cover, for a completely stealth installation. Last edited by Mr Joshua; 01-10-2007 at 06:27 PM . I have used both spacers and prefer the open spacer over the 4 hole on a dual plane intake. Open spacer makes the idle tuning much easier because of the improved signal and pulls harder in the upper rpm range. 4 hole is only good for a little more torque down low.The Sniper EFI system looks at the closed-loop fuel compensation required to reach your target AFR. It is reliant on the data acquired by the included wideband oxygen sensor. The learn function will offset the base fuel table until the closed-loop compensation only requires minimal changes.Holley 17-88 Gen 3 Dominator Black Billet 4 hole Spacer, 2.4 Inch Bore Universal Fit, 1.5" Overall Thickness Ships Free. Fig. 6.32. ... This throttle body spacer is designed for use with Holley Sniper EFI fabricated intake manifolds # 829031, #829032, #839031, ...The Holley Super Sniper High Performance EFI kit comes with a coolant temperature sensor and an O2 sensor, both of which must be used for the EFI to work properly Intake Manifold Sniper EFI 102mm Throttle Body Flange Multi Port Black GM LS3 / L92 Dual plane intakes can potentially cause hard start Issues " 100" dome pistons, Edelbrock RPM oval ...My setup is 350 GM crate engine, rated 390 HP with GM dual-plane intake, Sniper 550-510, 1 inch spacer, HEI, Holley Fuel Tank Module 12-316 with about 400 miles. IAC set at 4-6% at operating idle. I'll do another (shorter) datalog to better identify when the issue is happening. I'll then try to post Config File and latest Datalog. AndyFThis item: Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack", $32.00, FEL-PRO 1901 Carburetor Mounting Gasket, $9.25, FEL-PRO 1900 Carburetor Mounting Gasket, $8.99, Carburetor Gasket, 1" Ported Phenolic Carburetor Spacer 4bbl SBC BBC BB Fits for Holley SB Chevy Ford, 26, 4 offers from $28.14,2" Phenolic 4 Brl 4 Hole Square Flange Carb Carburetor Spacer Available $23.50 Add to cart Quick Fuel Brawler Race Series Carburetor 950 CFM 4-Barrel Mech Sec BR-67202 Available $671.95 Add to cart Quick Fuel Brawler Race Series Carburetor 850 CFM 4-Barrel Mech Sec BR-67201 Available $632.95 Add to cartHolley 102MM THROTTLE BODY FLANGE. Rating * Name *Email *Review Subject *Comments You May Also Like... Quick view. 1000 CFM TB HOLLEY EFI. $785.95. Add to Cart. Quick view. 1955-57 Chevy LS Swap Header Balck Ceramic Unisteer. $735.95. Add to Cart. Quick view. 1955-57 Chevy LS Swap Header (TITANIUM) Unisteer.The GT350 manifold might be the best upgrade for the 2015+ Mustang GTs but not for the 2011-14 5 0L throttle bodies on any intake manifold w/ the 4150 mounting flange Sniper EFI should work the OEM 4 hole manifolds too To get great performance out of any engine, the components must work together Make Model Chassis Series Year Body Type Engine ...Jun 15, 2018 · Four-hole spacers help build low- and midrange torque. They're particularly useful in applications that require a great deal of part-throttle operation. Wilson says the four-hole design improves... Dec 29, 2020 · Then use a piece of 1/4" or 5/16" aluminum and make your blockoff plate. I used the paper and pencil shading technique last week to make a template for a WIX 3 hole remote fuel filter bracket that we mounted in my son's 66 Mustang during his Holley Sniper install. Poor video but it show the technique at 30 seconds if I did not describe it clearly. It includes two gaskets: A four-hole gasket that goes on top of the sealing plate and an open-plenum gasket for underneath Drop in place in seconds before the Sniper install or employ on your existing Sniper EFI installation in well under an hour. Usually works with the existing bolts or studs fastening the Sniper throttle body in place.. 2" Phenolic 4 Brl 4 Hole Square Flange Carb Carburetor Spacer Available $23.50 Add to cart Quick Fuel Brawler Race Series Carburetor 950 CFM 4-Barrel Mech Sec BR-67202 Available $671.95 Add to cart Quick Fuel Brawler Race Series Carburetor 850 CFM 4-Barrel Mech Sec BR-67201 Available $632.95 Add to cartTweet. #2. 07-18-2022, 06:49 PM. Pull your fuel pump relay. Turn on the ignition, start a datalog, and attempt to start the engine. Zip and post this datalog so we can see what's happening. Carburettor Spacers 1″ Phenolic 4 Hole Carburettor Spacer (0 reviews) $ 55.00 Add to cart. 1; 2; Categories. Carburettor & Manifold Packages. Chev; Holden. Holden V8; Holden 6 Cyl. Ford. Ford V8; Ford 6 Cyl. ... Holley Terminator EFI; Holley Sniper EFI; Fuel Pumps And Fuel Regulators. Carburettor Fuel Pressure Regulators; EFI Fuel Pressure ...The whistling noise was definitely a thing with the Sniper EFI. The solution was to install a 4-hole spacer under the throttle body. I obtained a 1/2 inch thick, 4-hole Woodfiber Laminate spacer and re-routed the fuel line to account for the extra 1/2″ of height. A test drive revealed that the spacer improved but did not eliminate the noise.Holley states that the operating range for the new intake is 1600-6800 rpm and will work with both boosted and naturally-aspirated configurations as well Sniper EFI should work the OEM 4 hole manifolds too Free shipping Holley 829082 Sniper EFI Fabricated Intake Manifold 2005-10 Ford 4 . https://www https://www.Discussion Starter · #1 · Apr 22, 2020. Recently installed a holley sniper efi system on my 67 6cyl easy install and system setup with the handheld. Engine started right up and ran great however on the first test drive about 3 miles from home it quit turned everything off about a min.started right up quit about 4 /5 times before I got back home. 4 Hole; Dual Blade; Elbows/Spacers; Single Blade; TB Accessories; Traction Control; Trans Control; Water Methonal; Wiring. Relays; Smart Wire; Wire ... HOLLEY SNIPER EFI SELF-TUNING KIT - SHINY FINISH HLY-550-510 Product details. Quantity: HOLLEY SNIPER EFI SELF-TUNING KIT - BLACK CERAMIC FINISH ...4. Apply a drop of oil to the socket head cap screws, place the spacers between the fuel rail and the mounting bosses, and thread in the socket head cap screws. 5. Tighten the fasteners in two steps -44 in -lbs. for the first step and 89 in lbs. for the second step. 6. Check and make sure the injector is floating on the O-ring.I'm running a ICE Holley Sniper 550-510 EFI 4150 4-Barrel Self-Tuning Base Kit (more details) Put an end to mysterious air/fuel ratios, jet changes, and cold-start rough idle troubles with. Jul 18, 2018 · 1,257 Posts. Discussion Starter · #6 · Jul 22, 2018. Fired the engine today, started on the first crank and ran better than it ever has with the carb. 1974 chevelle with 73 laguna nose sbc 357 Brodix IK180 heads Comp Cams XE274H Edelbrock RPM airgap 650 AED double pumper, M20 muncie, Truetrac with 3.73s. Y. Sniper EFI Fuel Rail Spacer Set; Fits Holley LS3, LS7 Sniper Fabricated Intake Manifolds; Billet Aluminum; Black Finish; Set of 6 ... [1 in. Tall 4-Hole Plenum] (16) The Sniper EFI System will absolutely work fine in your rock crawler, Todd. The challenge will be what you call the "right fuel system". Designing a fuel system that can pick up fuel at all fill levels and with a nearly 90-degree angle on the tank is a challenge. Fortunately, Holley has another product that can solve that: Hydramat..1,424 Posts. #8 · Dec 30, 2011. I just purchased the spacers for my 67 Camaro to install the Caltracs. They sent me the uppers you have and a pair for under the leaf springs. The bottom spacers have a larger sleave to fit around the nut on bottom of leaf spring. Looking at the new spring pad the hole is large enough to bolt together without ...If you still want to play with that idea, I'd first try comparing a 1/2" 4-hole spacer to a 1/2" open spacer. Red Forman: "The Mustang's front end is problematic; get yourself a Firebird." 06-05-2018 #5 weircc Registered User Join Date Aug 2013 Posts 71The Sniper EFI System will absolutely work fine in your rock crawler, Todd. The challenge will be what you call the "right fuel system". Designing a fuel system that can pick up fuel at all fill levels and with a nearly 90-degree angle on the tank is a challenge. Fortunately, Holley has another product that can solve that: Hydramat..But apparently, a 4 hole spacer also has advantages under Sniper EFI: https://forums Note the water fittings on front and middle of flanges Holley 829082 Sniper EFI Fabricated Intake Manifold 2005-10 Ford 4 Engine is: ATK 454 shortblock However, Holley’s Sniper Self-Tuning TBI EFI unit kicks all my pro-carb arguments in the teeth However ... ALSO, most Holley inlet extensions use a female AN fitting. The Sniper uses a male inlet fitting. And on that subject, the inlet fittings that Holley installs are too short. When you tighten up the supplied fuel feed lines the fuel hose is pulled very tightly against the throttle position sensor plug. Horrible design.Jul 12, 2022 · On the Pontiac engine that's a different story. It has a Victor single-plane and it loved a Wilson 4-hole taper spacer 1 1/2 inches tall. Again, I just put the Sniper right on that without changing anything and it works fine as well. Two completely different engine combos with different spacers using the same Super Sniper Stealth units. Feature--100% TIG Welded, Feature--1/8 in Sniper EFI should work the OEM 4 hole manifolds too Zelda Rom Hacks Gba Sniper EFI should work the OEM 4 hole manifolds too. Butler Performance Inc #38-4508 and 38-4509: Fits 4 barrel V8's and supports 250-650 horsepower with four injectors Should I change out my dual-plane to a single-plane intake ...Holley Super Sniper EFI Easy Improvements. In this video I show you two inexpensive and easy improvements you can make to your Holley Super Sniper 1250 or H...ICT Billet Throttle Body Adapters 551597-3B-102. Adapter LS 92mm 3 Bolt Intake to 102mm 4 Bolt Throttle Body - LS1 / Truck. Part Number: ICB-551597-3B102. Not Yet Reviewed. Estimated Ship Date: Today. $38.99. Add To Cart. Compare.Sniper EFI "Dual Plenum" Intake Manifold 102mm throttle body bore for GM LS1/2/6 engines (Includes TB spacers, installation kit, and fuel rail kit) Silver Finish Holley continues to push the envelope of intake design with its latest offering. The unique look of this intake will surely stand out from the crowd! ... Holley Sniper EFI Dual Plenum ...View Holley Sniper EFI Self-Tuning Kit - Shiny Finish. Bolt on 4150 Flange Carburetor Replacement. Throttle body mounted ECU – no extra boxes to mount. Supports up to 650hp with Four 100 Lb/Hr Injectors! All of the wiring exits below the rear fuel injector cover, for a completely stealth installation. Jul 25, 2017 · The owner chose to upgrade the fuel system with a Holley Sniper EFI Self-Tuning Kit. The throttle-body system flows up to 800cfm and supports naturally aspirated engines making up to 650 hp. View All Holley Sniper EFI Fuel Rail Spacer Sets Holley Sniper EFI Fuel Rail Spacer Set Part Number: 510-850015 Click image to zoom $12.69 2 left in stock Lowest Price Guarantee Sniper EFI Fuel Rail Spacer Set Fits Holley LS3, LS7 Sniper Fabricated Intake Manifolds Billet Aluminum Black Finish Set of 6 See more product details Ships on Monday QTYBuy Holley Sniper EFI 520-2 SNIPER EFI SEALING PLATE: Automotive - Amazon.com FREE DELIVERY possible on eligible purchases Skip to main content ... Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack" 4.8 out of 5 stars ...The Sniper EFI Sealing Plate comes with two gaskets, and is designed to eliminate any air turbulence between your throttle body and intake manifold. This turbulence generally presents itself in the form of a whistling noise Features: Includes one open plenum and one 4 hole gasket Holley 17-88 Gen 3 Dominator Black Billet 4 hole Spacer, 2.4 Inch Bore Universal Fit, 1.5" Overall Thickness Ships Free. Fig. 6.32. ... This throttle body spacer is designed for use with Holley Sniper EFI fabricated intake manifolds # 829031, #829032, #839031, ...Part Number. 860013. Emissions. 5. Tech Resources. Designed for use with Sniper EFI intake manifolds 820041, 822041, 830041, 822111, 820111, and 830111 when utilizing a stock throttle body. Warranty Information. 1] Compression Test- Do this first & easiest as this will lead you to the "T" in the road of OK Avenue & Leak Down Lane. Get to this intersection as quickly as you can! Do not procrastinate! Do not skip this step and start doing all the "stuff" in this list just because you like to shop for parts!Fuel Injectors & EFI Components Garage Sale #10 Fuel Rail 18" Pair Anodized and Lasered. From $104 View #12 Fuel Rail 18" Pair Anodized and Lasered ... Carburetor Spacer 4150 / 1.50" 4-Hole Tapered. Regular price $209 View. Carburetor Spacer 4150 / 2.00" 4-Hole Tapered. Regular price $230 ...1 Build 2 or higher Specifications I guess because I'm running an EFI system with a non- EFI tank new holley sniper efi bbd carburetor master kit,black,2bbl,fuel injection,compatible with 1971-1986 jeep cj with 258ci 6 cylinder engines $1,349 new holley sniper efi bbd carburetor master kit,black,2bbl,fuel injection,compatible with 1971-1986 jeep.This spacer not only eliminated the whistle, but it keeps the throttle body much cooler than before; which is critical with the Sniper system because the ECU is part of the throttle body. Also, the bore holes are 1 3/4", which means the throttle blades and air flow will not be impeded by the gasket.1/2" Phenolic 4 Hole Carburettor Spacer quantity. Add to cart. Add to Wishlist Add to Compare. Carburettor Spacers 1/2″ Heat Insulator Quadrajet... (0 reviews) $ 85.00. ... Holley Sniper EFI; Fuel Pumps And Fuel Regulators. Carburettor Fuel Pressure Regulators; EFI Fuel Pressure Regulators; Fuel Pressure Regulator Kits;The Go EFI 4 Self Tuning Fuel Injection is rated at 600 HP but is suitable for engines from 200hp thru 600hp. This system is perfect for your everyday Driver right up to your weekend Street Machine or Bracket Racer. ... No hole in your firewall and no unsightly harness draped across your engine. This is also the only computer mounted throttle ...The use of your stock throttle body combined with this EFI Intake Manifold will require a Throttle Body Spacer, part # 860003B, ... Sniper LS3 EFI Fabricated 92mm Dual Plenum Intake Manifold 822201, Silver Holley continues to push the envelope of intake design with its latest offering That work continues today through Holley's market-leading ...For Troubleshooting Tips setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance. Sniper Stealth 4150 Self-Tuning Fuel Injection System Master Kit Features: Holley 4150 flange EFI carburetor replacement; Supports up to 650 naturally aspirated HP or 600 forced-induction HP using (4) 100 lbs./hr InjectorsThe whistling noise was definitely a thing with the Sniper EFI . The solution was to install a 4-hole spacer under the throttle body. I obtained a 1/2 inch thick, 4-hole Woodfiber Laminate spacer and re-routed the fuel line to account for the extra 1/2″ of height. A test drive revealed that the spacer improved but did not eliminate the noise.We have a great online selection at the lowest prices with Fast & Free shipping on many items! ... 115 sold . Sponsored. 24X EFI conversion kit 95 and older small block chevy Opens in a new window or tab. ... 5 product ratings - Holley Sniper EFI 850013 Upgrade Billet Fuel Rail Kit Fits OE LS3. Discussion Starter · #1 · Apr 22, 2020. Recently installed a holley sniper efi system on my 67 6cyl easy install and system setup with the handheld. Engine started right up and ran great however on the first test drive about 3 miles from home it quit turned everything off about a min.started right up quit about 4 /5 times before I got back home. Jul 12, 2022 · On the Pontiac engine that's a different story. It has a Victor single-plane and it loved a Wilson 4-hole taper spacer 1 1/2 inches tall. Again, I just put the Sniper right on that without changing anything and it works fine as well. Two completely different engine combos with different spacers using the same Super Sniper Stealth units. Buy Holley Sniper EFI 520-2 SNIPER EFI SEALING PLATE: ... Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack" I've tested open, 4 hole, and tapered 4 hole 1-inch spacers with wet throttle body EFI. 4 hole spacers can (I did not say "will") rob some upper mid range and top end power, mess with MAP readings, and can cause excessive pooling of fuel in the bottom of the plenum using a wet throttle body like the Sniper and others.Find FORD 5.8L/351 Ford small block Windsor Holley Sniper and get Free Shipping on Orders Over $99 at Summit Racing! $5 Off Your $100 Mobile App Purchase ... Fuel Tank, Sniper EFI, 22 Gallons Capacity, Steel, Silver Powdercoated, Baffled Sump, Ford, Kit. Part Number: SNE-19-117. 4.86 out of 5 stars. Estimated Ship Date: Today. Free Shipping;Correct, a 4-hole spacer is quieter under a Sniper TBI unit. (HeavyChevy, this has been discussed many times in the Sniper EFI forum. Search the Sniper EFI forum about installing a ¼", ½" or 1" four hole spacer. Read post #24 HERE .) May God's grace bless you in the Lord Jesus Christ.Carb To EFI Adapters; EFI. Throttle Body Injection (TBI) Spacers; Multi-Port Fuel Injection (MPFI) Spacers; ... (Inline) 2-5/8 in. Bolt Center FORD 460 Honda B 210,. Thread: Sniper EFI - '77 Ford 460. Thread Tools. Show Printable Version; 09-16-2020, 06:55 PM #11. AndyF. View Profile View Forum Posts Private Message ...Common knowledge and experience tell us that open spacers help top-end power, and 4-hole spacers help midrange power. Now, the best of both worlds have been merged into one with these HVH Super Sucker carburetor spacers. ... Holley Sniper EFI fabricated intake manifolds are budget-friendly and performance filled! These durable Holley hi-ram ...The Sniper Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated, or 800-1250 HP on forced induction applications. The Sniper Stealth 4500 also features multiple Input and Output options for sensor inputs and switched outputs to control external relays. Jul 18, 2018 · 1,257 Posts. Discussion Starter · #6 · Jul 22, 2018. Fired the engine today, started on the first crank and ran better than it ever has with the carb. 1974 chevelle with 73 laguna nose sbc 357 Brodix IK180 heads Comp Cams XE274H Edelbrock RPM airgap 650 AED double pumper, M20 muncie, Truetrac with 3.73s. Y. This spacer has 1.75" bore, which is made for a standard 4150 carburetor. We offer the most complete line of 4-Hole Tapered spacers in 390, 4150, 4500, Q-Jet & 2bbl adapters to provide the high performance consumer with the ability to tune their engine for the maximum performance for any application. FOUR HOLE 1″ SPACER TO SUIT SQUARE BORE CARBURETTORS. COMES COMPLETE WITH MOUNTING STUDS, NUTS AND GASKET AS SHOWN IN THE PICTURE. MADE OF PHENOLIC MATERIAL TO KEEP YOUR CARBURETTOR COOL. IF YOU WANT TO INCREASE YOUR ENGINES HORSE POWER AND TORQUE THEN THIS IS THE ONE FOR YOU.There's a much better 4 hole spacer available: Amazon.com: Canton Racing 85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack: Automotive. Get the best deals for holley sniper > intake at. Aug 16, 2019. Howell EFI now offers Ford TBI kits for any classic carbureted inline 6 or V8 Ford application. The Ford TBI kits are ...Holley Sniper EFI 822101-1 Sniper Low-Profile Sheet Metal Intake Manifold LS. $731.95. Free shipping Free shipping Free shipping. ... Mr. Gasket 6009 Aluminum Carburetor Spacer Kit 4 Hole Center for Holley Carter. $65.85. Free shipping Free shipping Free shipping.Holley 20-16 Sniper Efi Throttle Lever Extension, Black. ... Canton Racing Products"85-154 Phenolic Carburetor Spacer (For 4150/4160 Holley 4 Hole 1/4"), 1 Pack" Holley HOL 20-40 20-40 Transmission Kickdown Stud #1 Best Seller . Holley Carburetor Throttle Ball Assortment, Zinc. Add to Cart .If you still want to play with that idea, I'd first try comparing a 1/2" 4-hole spacer to a 1/2" open spacer. Red Forman: "The Mustang's front end is problematic; get yourself a Firebird." 06-05-2018 #5 weircc Registered User Join Date Aug 2013 Posts 71The Go EFI 4 Self Tuning Fuel Injection is rated at 600 HP but is suitable for engines from 200hp thru 600hp. This system is perfect for your everyday Driver right up to your weekend Street Machine or Bracket Racer. ... No hole in your firewall and no unsightly harness draped across your engine. This is also the only computer mounted throttle ...The Sniper EFI system looks at the closed-loop fuel compensation required to reach your target AFR. It is reliant on the data acquired by the included wideband oxygen sensor. The learn function will offset the base fuel table until the closed-loop compensation only requires minimal changes.We dyno test spread-bore fueling on a 1968 Olds 4-4-2 with a rebuilt Rochester Quadra-Jet versus a Holley Sniper EFI. Close Ad. News. Reviews. ... the top of the manifold without the spacer. As ...Sniper EFI "Dual Plenum" Intake Manifold 102mm throttle body bore for GM LS1/2/6 engines (Includes TB spacers, installation kit, and fuel rail kit) Silver Finish Holley continues to push the envelope of intake design with its latest offering. The unique look of this intake will surely stand out from the crowd! ... Holley Sniper EFI Dual Plenum ...It took several things. 1) Fuel Pump for EFI. I installed a Holley Sniper Retrofit pump in my fuel tank. I removed the tank, had it professionally cleaned at a shop, used the 3 1/4" hole saw to creat room for the pump. I followed instructions and installed the pump. 2) Fuel Lines.Jul 05, 2018 · Four-hole spacers are working great with Sniper. It the Sniper has a whistle sound Holley recommends a four-hole spacer. Even a 1/4" four-hole spacer will cure the whistle. S sirhk100 Registered Joined Jan 29, 2016 340 Posts #7 · Jul 6, 2018 (Edited) Interesting on the dual plane setup with the efi systems. Aug 29, 2021 · 406 SBC with progressive single stage of nitrous Dart SHP block, Dart Pro1 heads, Holley Sniper EFI with HyperSpark, Comp Cams, NOS cheater plate with powershot solenoids. 700R-4 ProBuilt, Moser 12 bolt with 3.91 gears and a TruTrack, UMI suspension with Konis, big brakes, 6-point roll bar, lowered, Boze Forged 18" wheels with Falken 660 tires. My setup is 350 GM crate engine, rated 390 HP with GM dual-plane intake, Sniper 550-510, 1 inch spacer, HEI, Holley Fuel Tank Module 12-316 with about 400 miles. IAC set at 4-6% at operating idle. I'll do another (shorter) datalog to better identify when the issue is happening. I'll then try to post Config File and latest Datalog. AndyF bf3 electron geometry and molecular geometryxa