i recently did that on my car, but i have an adjustable fuel regulator and i don't know what fuel psi to put it at, can anyone let me know? mine is set at 42psi with open valcumn(valcumn line disconnected). i can't afford to tune my car right now and just need a good fuel psi to put it so it won't run too rich or too lean. thank a lot!

 

What are your mods? I suggest leaving it stock (~40ish).

 

usdm h22a4, with m2b4 jdm lSD tranny, aem fuel rail with B&M fuel adjusable fuel regular. stock obd1 p13 ecu(sold my chipped p28), apexi intake, dc header(sold my smsp header), buddy club pro spec exhaust. i sold most of the goodies because of money problem after i blew my jdm motor.

but yeh the obd1 345cc injectors is from my old 93 jdm h22a motor.

 

if ur running 345s, put the pressure in the low 40s.

 

cool 42 psi is what it at right now, so ill leave it like that.