Ensure the fuel pressure is a constant 400 kpa 60 psi with the engine running. The fuel system uses the stock mustang tank with a 2003 ford f350 in tank fuel pump and module.
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Ls3 fuel system diagram. 112 e industrial st. Ensure the fuel pump has the following flow capability. This is what the control system has been developed to run. Now holley efi products power these cars and are dominating the performance world. Minimum 40 gph at 400 kpa for ls2ls3ls376s and minimum 50 gph at 400 kpa for the lsx454 ls7s. Holley has been the undisputed leader in fuel systems for over 100 years.
For ls swaps an walbro 255l inline is a very common install. Mike built a custom sump to help keep the inlet covered with fuel. However the fpr has a return line to the tank so excess fuel is returned. Our range covers anything from standard replacement upgrades application making over 1000 hp everything in between. Lsx performance parts provides fuel pumps fuel systems to support your increase in power. The fuel pressure regulator goes between the fuel pump and the fuel rail not after the fuel rail so its a returnless system.
The standard setup on a slc is from the tank. 900am 1200pm 1230pm 500pm cst m f closed saturday sunday. Fuel pump the ls3 engine does not include a fuel pump. Investing in the right fuel system is very important is necessary to making your entire package come together for the long term. This fuel line kit includes 25 feet of line and all the fittings that you need for your ls engine swap using our fuel pumps. Dicks 4x4 garage 50274 views.
Pre pump you will want to install a 100 micron fuel filter to protect the pump from debris. Fuel filter lift pump surge tank fuel pump filterregulator with return line fuel rail. The fuel pump you choose must be capable of 45 gallons per hour gph at the recommended pressure. Dewitt ia 52742 800 878 9274. Ls1 swapping a 79 square body chevy 4x4 part4 chevy k20 project video series duration. Outside the tank the lines continue with 8 an braided hose feeding a corvette combo filterregulator running to the factory fuel rails.
Holley carburetors powered every monster energy nascar cup team and nearly every nhra prostock champion for four decades. This kit is designed for ls engines that have a single fuel inlet fitting. Generally the efi system requirement is 58 psi constant pressure but consult the information with your engine control system for the actual recommendation. The regulator in this kit is not recommended with fuel pumps that flow over 255 lph. This pump can easily be converted to an6 style fittings to use with hot rod fuel hose lines and make for an easy fuel system install.
Gallery of Ls3 Fuel System Diagram
