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When switching your 1978-1987 Chevy El Camino and GMC Caballero to EFI, you will not find an easier way to upgrade your fuel system than our OE Style 350 LPH EFI Fuel Pump Modules. They are a direct replacement that fits your factory fuel tank so you don't have to guess when it comes to something as important to your project as the fuel system. Because it was designed as a direct replacement ...Jan 30, 2020 · Designed to replace sending units in factory fuel tanks, the Sniper "Muscle Car EFI Module" slips a 255 LPH fuel pump inside to deliver reliable and quiet fuel delivery. Included is Holley's Hydramat which acts as a pre-filter and prevents fuel starvation from hard acceleration or cornering.Sniper fuel pumps are designed for carbureted applications. They come with 3/8" NPT inlets and outlets & a 4 amp maximum draw. Precision performance and great looks at a price that will kill the competition!Converting the carbureted fuel system on your car or truck over to EFI can be a daunting task. We have made this conversion easy with our complete tank and fuel system kits! The heart of a fuel system begins with the fuel tank. When converting to EFI, it is crucial that you do not contaminate your new parts with dirt, rust, and sludge from an old fuel tank. We offer a simple and inexpensive ...Buy HOLLEY Fuel Pump Module Return 19360: Electric Fuel Pumps ... The easiest way to convert your vehicle to an in-tank, EFI fuel system. Installs in any fuel tank from 7 to 12 deep to fit a wide variety of applications. ... Holley Sniper EFI 19-385 Sniper Fuel Cell EFI Pump Module Assembly-Returnless Style. dummy. Aeromotive 18688 Fuel System ...This Sniper EFI in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. Featuring a pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for this application is included. This module also features a …16.6K subscribers. 9.4K views 2 years ago. ...more. Holley Sniper in tank fuel pump installationPurchase Holley 19-360 here https://amzn.to/3pawIQDHow to install Holley's In...The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and added 14 new features that will make your EFI conversion more simple, reliable, and modern. Like all Sniper EFI systems, Sniper 2 is designed to ...The heart of a fuel system begins with the fuel tank. When building a fuel system, swapping a carb or converting to EFI, it is crucial that you do not contaminate your new parts with dirt, rust, and sludge from an old fuel tank. We offer a simple and inexpensive solution to alleviate fuel tank issues with our Sniper replacement fuel tanks. Sniper fuel tanks …This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. Fuel pressure is internally regulated to 58 psi eliminating the addedexpense and effort of purchasing and installing an external fuel pressure regulator - no separate return line is required because this ...Oct 12, 2016 · 11-26-2016, 02:44 AM. Holley needs to update the description of the Sniper EFI features, as well as update the system wiring overview to show the true wiring of the preinstalled relay & fuse. There is, in my 550-511 kit, a complete fuel pump relay with wiring integrated into the 7-pin connector.P97 partners with fuel brands, gas station retailers, EV charging companies, mobile wallet providers and connected car OS makers, picks up $40M. The rising prices for gas continue ...Tweet. #1. Holley Sniper 12-345 in-tank fuel pump question. 04-15-2024, 07:18 PM. Hey all, new to the forums. Been running a Holley black external setup on my '84 Fox body Mustang GT. Running a returnless system to a regulator to 600 carburetor. Works good, but I'm sick of the noise and want to go in-tank. Ordered a new tank for in-tank pump ...Before fuel pump - 100 micron pre-filter. (Or the OEM in-tank sock filter.) After fuel pump - 10 micron post-filter. (40 micron is for carburetion.) The 40 micron (carburetor) fuel filter has no place on an EFI fuel system. (I know you're not using it.) It's too "fine" of a filter to be used before the pump, causing fuel pump cavitation.Holley has expanded its Sniper Quadrajet EFI Master Kits, which are now available with Sniper EFI systems, and a high-pressure, in-tank fuel pump module. These kits make converting your car from carb to EFI easier than ever. The drop-in fuel pump module is backwards and forwards universal and installs quickly and easy into your factory gas tank. It provides a quiet, reliable, high-pressure ...EFI fuel pumps have a wide range of psi capability; you set the exact pressure you need/want. Electric fuel pumps only produce volume, the fuel pressure regulator creates the desired pressure. Also, any EFI fuel pump will decrease volume output (GPH flow) as fuel pressure is increased.This in-tank fuel pump module is a high-pressure unit that flows 350 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 750 horsepower. Featuring a pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for this application is included. This module also features a HydraMat filter which has a unique internal ...I'm currently running a Sniper system with return line on a 427W in a 1964 Fairlane. The tank design is terrible for the external pump, so I went with the 12-305 Holley in-tank pump that regulates fuel pressure with a recirculating valve on the sending unit. Question is, do I still need the return line off the throttle body.This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. Featuring a pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for this application is included. This module also features a HydraMat filter which has a unique internal ...Categories/ Plumbing AN Fittings and Hose. Vapor Guard. Earls Classic Hose and Hose Ends. Speed-Seal and Speed-Flex. Hardline. Also in Plumbing AN Fittings and Hose. Adapters. All Hose Groups. Application …SNIPER EFI FUEL TANK SYSTEM 1978-88 Monte Carlo / Malibu, 1978-88 Pontiac Grand Prix / Lemans Coated Steel, EFI, Gas Holley and Sniper will help you to complete your EFI swap with our new EFI Conversion Fuel Tanks. Each tank is a direct fit for your application-no modifications necessary. The kit includes the tank, a 255 lph fuel pump, internal baffling, and a fuel level sender. The tank is ...Holley Sniper EFI 4150 Super Sniper 650 with HyperSpark Ignition. ... X-pipe, SS shorty headers, OEM smog pump converted vacuum pump, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, highly modified Ford 4R70W transmission, FTI 9.5"/3000 ...EFI / Turbo Fuel Pump w/ Hardware - 7315t; CNC Billet Aluminum Fuel Tank Outlet Tee 1/4" NPT (USA) - 6483; XRP AN-8 Aluminum Fittings 11' EFI Fuel Hose 3/8" / Clamps …After checking the fuel system over, I found that the relay for the #2 pump failed. Glad the Sniper was in Closed Loop and the Learn Enabled. The Sniper added enough fuel to keep the engine alive until I backed out of the throttle. Fuel pressure went from a high a 76.4 to a low of 42.2 real quick. You can see it on the datalog and the Learn Table.

With a mildly built 350ci Edelbrock recommends setting the fuel rail pressure @42 psi with their injectors, and the Holley pressure reducer is non-adjustable. My Pro Flo 4 system also requires a fuel pressure regulator with a vacuum port that will compensate as the engine vacuum changes. I'm guessing this Holley setup is for a converted tri ...Converting the carbureted fuel system on your car or truck over to EFI can be a daunting task. We have made this conversion easy with our complete tank and fuel system kits! The heart of a fuel system begins with the fuel tank. When converting to EFI, it is crucial that you do not contaminate your new parts with dirt, rust, and sludge from an old fuel tank. We offer a simple and inexpensive ...This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. A pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for this application is included. This module also features a HydraMat filter which has a unique internal reservoir ...This direct fit fuel pump module will drop directly into any 1983-1997 Ford Mustang EFI fuel tank. The module has been designed with a 340 LPH (liters per hour) Sniper fuel pump that will support up to 700 EFI or 900 Carbureted horsepower (HP Rating @ 60 PSI at 13.5 Volts / 16.9 AMP Draw) The flange has a 6AN o-ring outlet and return port making the plumbing connections easy. The kit includes ...

Fuel Tank, Holley Sniper EFI, 1964-67 Chevelle, W/Sending Unit & Pump. Holley and Sniper will help you to complete your EFI swap with our new EFI Conversion Fuel Tanks. Each tank is a direct fit for your application-no modifications necessary. The kit includes the tank, available with 255 or 400 LPH fuel pump, internal baffling, a fuel level sender, and the filler neck.Earls Classic Hose and Hose Ends. Speed-Seal and Speed-Flex. Hardline. Also in Plumbing AN Fittings and Hose. Adapters. All Hose Groups. Application Specific Parts. Catch Tanks. Fuel System Components.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Holley and Sniper will help you to comple. Possible cause: Holley EFI fuel kits are the perfect addition to your Sniper EFI or Ho.