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Does holley sniper efi need a return line

WebJun 9, 2024 · Joined Dec 26, 2016. 45 Posts. #3 · May 4, 2024. Over on the Holley Sniper Forum they are pretty adamant you should be running some kind of return spring for 2 reasons: 1. Safety - as Per the post/link below -. The factory coiled springs around the throttle shafts, don't count as a throttle return spring. You must add a good strong throttle ... WebJan 18, 2007 · For more information you can fill out a Technical Request form, download instruction sheets and manuals, or visit our Tech Support Library for videos and FAQ's. If …

Sniper return line plug? - Holley Performance Products …

WebAug 15, 2024 · Discussion Starter · #1 · Apr 22, 2024. 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. WebJan 18, 2007 · For more information you can fill out a Technical Request form, download instruction sheets and manuals, or visit our Tech Support Library for videos and FAQ's. If you have sent an item in for repair and want to check its status, please call the respective tech line below. Phone: 866-464-6553. cheap vinyl flooring planks https://inflationmarine.com

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WebJun 30, 2024 · The Sniper has four large injectors, fuel return flow can be significant at low throttle. On my friend's '66 Charger, we used a HyperFuel 40004-9 (Fuel Tank Return … WebMay 27, 2008 · The return syle regulator normally holds the pressure in the feed line and the fuel rails at or near the set pressure...around 40 PSI in an EFI system, though it could be higher or lower depending upon the application. The return line should only have residual pressure on it...a PSI or two caused by the reistance of the fuel line to flow. WebNov 21, 2016 · I've always used (-6AN) 3/8" line for the fuel supply & return line. 3/8" EFI hose is also what's supplied in the Sniper EFI Master Kits. Four 100 lb/hr fuel injectors "return" a lot of fuel at idle. Four 100 lb/hr fuel injectors "return" a lot of fuel at idle. cheap vinyl flooring tiles

Sniper Fuel Line Size - Holley Performance Products Forums

Category:Sniper EFI Installation Guide - Holley Motor Life

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Does holley sniper efi need a return line

Holley fuel pump, return line or not to return line??? - Hot Rod Forum

WebDec 30, 2010 · The return line must have limited or NO pressure in it. In most cases, the minimum return line size will match that of the supply line, but a larger return line is sometimes preferred. Use these ratings to decide your return line sizing based upon fuel pump output: *Up to 45 GPH = 5/16" or -04 AN. *Up to 90 GPH = 3/8" or -06 AN. WebApr 12, 2024 · The Holley Sniper system will have a box to tick in the ECM programing screen in the initial setup settings. I would control the timing with the Holley ECM if possible, there are plenty of benefits in controlling timing and getting the perfect timing curve from start up to rev limiter. You would need to burn a lot less fuel with the EFI system ...

Does holley sniper efi need a return line

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WebHolley & Edelbrock Fuel Bypass System: Return Line to Tank Connection (EASY & SIMPLIFIED) The SIMPLEST way to CORRECTLY return fuel to your tank on a return … WebAug 20, 2024 · You might gain a little bit from swapping to the Sniper EFI, but you would need more modifications to take full advantage of it. ... Does the OEM fuel return line on a 79 RC have sufficient diameter for a Sniper EFI? ... Starting to research a Holley Sniper system for my 79 RC with 340 automatic. Despite many adjustments to the Edelbrock on …

WebNov 18, 2016 · I'm going to be running the LS filter/regulator, so I only have to run a return line from the filter. This will be close to the tank, versus running a return line all the way … WebMar 9, 2024 · From Holley-DANGER! Do not use the vapor canister lines as a fuel return line. Possible fuel leaks may create a fire or explosion hazard, causing serious injury or …

WebFeb 25, 2024 · Do not require a return line or external regulator. Replacement Fuel Tank- Sniper EFI now offers bolt-in fuel tanks for most popular applications, these require assembly but include new straps, fuel pump and sending unit. Perfect for owners working … How do you find out what you need? This helpful walk-through will steer you …

WebFeb 22, 2024 · Since the return port on the sending unit was too small, I installed the Holley return line as per the instructions. Be careful and use proper safety procedures when …

WebJan 17, 2024 · The domestic aftermarket performance world has been abuzz about the latest low-cost EFI systems, one of which is Holley's new Sniper EFI. With a retail price of just less than $1,000, it offers a ... cycle stop valve vs pressure reducing valveWebProduct Description. Holley Electronic Fuel Injection Fuel System With Return Line For Sniper EFI Kit. Don't forget to protect your engine's fuel lines, pump and tank from … cheap vinyl floor tiles ukWebJul 16, 2010 · The current fuel delivery system is as follows. 1977 camaro stock tank, Holley fuel filter mounted below tank. Holley fuel pump mount below tank. aluminum fuel line following frame to engine bay. Holley fuel regulator, one side feeds carb 750 Holley, other side feeds liquid filled fuel pressure gauge. cycle stop valves csv125WebThe 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. … cheap vinyl floor planksWebIntroducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. This combines the Sniper EFI Self Learning Throttle Body, with an easy … cheap vinyl gloves 1000WebSep 25, 2024 · We should emphasize that a return style regulator cannot be used as a dead-head regulator by blocking the return port. If the return is blocked, the fuel pressure will spike, which could cause all sorts of bad … cycle stop west green roadWebFeb 11, 2024 · Well the Sniper uses a return style system so you'll need to run one. When I did my Sniper install I ran a 6an feed line and used the stock hard line as a return. I run a 255lph pump in tank as well. I've heard tell of people converting the Sniper to returnless setup but that seems like a good way to boil fuel with the pump dead-heading like that. cycle storage for schools