lmills said:Hmm, I don't know. With my truck at it's current HP level, I have an aeromotive fuel pump that I can suck the pressue down to 3-4 psi in a hurry and it is rated for 150 gph also.
Are you using this with your stock lift pump in place. I was thinking that the stock pump might be a resriction, Im am using a carter 2601 and stock pump
and mine does the same thing when I run 7/7 on my TST