3/8 is from the pump, 5/16 is the return line. 3/8 single line to the fuel rail. You have it figured out it sounds like.
3/8 is from the pump, 5/16 is the return line. 3/8 single line to the fuel rail. You have it figured out it sounds like.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709