BPLax21

ok i have an 89 5.0, cobra upper/lower intake, 65mm tb., bbk cold air induction, e-303 cam, ac delete, smog pump delete, cobra rad, flex fan, exhaust, gears, i have a stock fuel pump right now and 19 lb injectors. i will be upgrading in the future to a 190lph.

my ? i am installing a bbk fuel pressure regulator and gauge and i need to know what to set the pressure at. please help, thanks

TheGmKiller331

Between 35-45 PSI.Is my guess since thats what stock is.

Experiment with it and fine your specific tune.