sr20 fuel pressure

[sleepersilvia92]

i have a sr redtop just bolt ons stock boost i just got a nismo fpr with the vacuum line off the fpr i set it to 38 but when i put the line back on it jumps up to 50 so i just left the line on and lowered it to 43.5 is this ok? i am running a little rich but i have been lately due to a faulty maf that's almost 20 years old

[OM3GA]

With the line off it should be at 43.5 ish fuel pressure. When the line is back on it should lower the fuel pressure unless your idle is high.

[DuckyD]

With the line off it should be at 43.5 ish fuel pressure. When the line is back on it should lower the fuel pressure unless your idle is high.

This.

[OM3GA]

With the line off it should be at 43.5 ish fuel pressure. When the line is back on it should lower the fuel pressure unless your idle is high.

This.