Fuel pressure..

[dRift_g0ddess]

hey so im running a ka24de with intake.. catback exhaust, and im preping for my turbo set up so i put in the stock sr 370cc injectors and a walbro255.. and i just put in a adjustable fuel pressure regulator.. i know stock psi would be 43.5.. but i have to run it at about 32 for it to run correctly.. any reason why this would be? is it normal? do i need to put something else for it to run correctly untill i get the whole turbo thing done?

any input is greatly appriciated :)
thanks!!

[japslapsilvia]

what are u using to tune for difference in injector size?

[RunninMeBrokeS13]

34psi is the correct fuel pressure under vacuum and 43psi is without vacuum your fine. thats what it should be at.

[dRift_g0ddess]

im not running anything to tune it yet.. lol jwt is on its way for when i get the turbo on. what u mean under vacuum? o_O

[ericb382]

You are running larger injectors without tuning for them.... YOU WILL RUN RICH. If you lower your fuel pressure this will "help" compensate. Put your stock injectors back on and go back to stock fuel pressure. Put on your injectors at the same time as your ecu compensating for your injectors...