What do yall think it should be with the car in my sig and stock injectors.

Chase

I think bone stock it should be about 40-45. So yours you may want 45-50 or greater.

I just checked mine while doing some work on the car, it is at 46 psi.

43.5 psi is stock. You should not increase your fuel pressure to gain hp as the computer will just adjust your injectors to compensate and it will end up doing nothing. You need to get it tuned and new injectors if you are running out of injector.

My 91 responded to more PSI quite well, but I have a feeling that 94+s won't. I think my 93 will

Won't more PSI reduce the duty on your injectors though? Which is a good thing...

I have a non-adjustable FPR, so changing the pressure is not an option. Also, it has 2 pressures. One with the vacuum line installed, and a second with the vacuum line removed from the top of the FPR.

Thanks for the info I was going to check my fp because my car is dying with the ac on at sudden stops and is running a little lean I am in the process of getting it tuned I just thought I would just check it anyways

All I can say is on my car that was dyno'ed on a SuperFlow Dyno, it had a hoock up for fuel PSI, on my old LT1 383 with 36 pound injectors it started at 43.8 @ 2,100 rpms and went down to 41.6 @ 6,000 rpms. I did have a racetronix 255 lph pump behind it and no regulator.

(with the vacuum line off)