AFPR
03-03-2007, 06:48 PM
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Car: 90 IROC 5.7 hardtop
Engine: L98
Transmission: T5 swap
Axle/Gears: Yup -- they still work
AFPR
The first thing I replaced when I bought my 90 IROC is the crappy garbage Multec injectors. Well, actually they were second upgrade the drive shaft was first.
Anyway, I bought some 24s from an LT1 and they worked ok sometimes a rough start. So I bought a set of Bosche 22s with "HTG only 50,000 kms on them" -- and one of them developed a problem so I just bought a set of brand new 21s. Hopefully no more problems
My AFPR is set at 51lbs should be just about right for a set of 21s. Anyone else out there used 21s in place of 22s? What pressures did you run?
Anyway, I bought some 24s from an LT1 and they worked ok sometimes a rough start. So I bought a set of Bosche 22s with "HTG only 50,000 kms on them" -- and one of them developed a problem so I just bought a set of brand new 21s. Hopefully no more problems
My AFPR is set at 51lbs should be just about right for a set of 21s. Anyone else out there used 21s in place of 22s? What pressures did you run?
03-03-2007, 09:52 PM
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Car: 92Z28, 99SS, 83Z28 & 86GTA
Engine: 421, LS1, 327Turbo & 383
Transmission: T-56, 4L60E, T5 & 4L60
Axle/Gears: 4:10, 3:42, 2:73 & 3:27
Honestly I think about 45psi would be more then enuff, can scan it and see were your BLM's are at.
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