Quote:
Originally Posted by Scott65
If you plan to go efi, and you think there's a reasonable chance you'll ever run E85, then build the fuel system with that in mind. It doesn't cost that much more, and its less than doing it twice...
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THIS ^^^^
I just built a fuel system for a turbocharged 5.3L LS powered street car, the owner is expecting around 800hp to the tyre on low boost with e85. I setup his fuel tank with twin 450L pumps that are staged via the ECU. Modifying the pump hanger to stage the pumps is key for the street. The intention is to run -8 feed line to the rails and -6 return through the ethanol sensor in the return line. Have done this setup MANY times and the recipe just works every time. If the owner was going for 1200'ish with more boost on e85, i'd setup a 3rd pump in and bring it on with the second pump.