Quote:
Originally Posted by 1980c-10 mybaby
if ive got a 99 lm7 5.3 motor which has a feed and return built into the motor do i have to run the return all the way from my fuel rail back to the tank(leaving 1 port open on the regulator) or can i run in back to the regulator(3 ports used) and just have the feed come from the tank????
read this whole thing and have not found and answer yet.
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By "regulator" I assume you mean Corvette filter/regulator? If so, don't use that. You don't need a $50 filter with a return style rail. Run the feed from your pump, through a regular fuel injection rated filter to the rail, and then the return to the tank, simple as that, and a lot less costly.