Hey Everyone, new member here. I have a 93 5.0 with an AFPR, I just checked my pressure and it was at 60 with vacuum off and plugged. Now I know why exhaust burned my eyes while running! So I adjusted it down to 39 but when I reinstall the vacuum hose the pressure doesn't drop like everyone else...
I just bought a 1991 lx mustang with a 306 crate motor, gt40p heads, a ford motor sports e cam, ford motor sports 24 lb injectors, gt40 intake upper and lower, 73mm throttle body, rebuilt t5 with brand new motor sports clutch. 373 gears, it has a front k member with coil overs flaming river...