Ok, well sounds like im going into uncharted territory! I will have to do a write up on the install once Im done!
Ok, well sounds like im going into uncharted territory! I will have to do a write up on the install once Im done!
89' GMC RCSB 6.0L LQ4, T56, 4.56 Gears
I can't remember the other guys name. He was having fuel issues due to the fittings restricting the return volume. It made too much pressure because of that. I believe his was in an OBS truck like ours.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
Hmmm, was that with all new braided line or was he still using the stock metal lines.
I plan on going with all braided lines so I hope I dont have that problem.
I believe he had some brass fittings that were causing the issue. He switched them to metal lines to fix the restriction problem.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
You definately do not need -10 size fuel lines, neither supply nor return. Remember, the system is only as good as your smallest restriction. This being the factory engine fuel rail. Unless your going over 500 H.P., a -6 supply & return should suffice. The factory sizing at the fuel rail connections are: supply-3/8"...return-5/16". Same sizing on the Corvette fuel filter/regulator. My .02
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