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Discussion Starter · #1 · (Edited)
How big a fuel pump?

Will a 155l/hour fuel pump feed a 300 HP Ford 5.0 EFI engine. Using stock fuel rails and pressure regulator? Feed line to Engine is 3/8 and return is 5/16. I read a formula that the pump should produce 41 gal/hour for this size motor. Is the formula 0.17 x horsepower=gal/ hour correct and is 3/8 fuel line large enough? :confused: Thanks for the help :D
 
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