older 1st gens have 26 spline 7.5'smkgearhead said:2WD? That should be a 7.625" gear and 28 spline axles.
The only different 2WD rear was a 8.5" but from what I hear is only avail with 3.08 ratio and 5 speed trans in 2WD.
8.5" is also on ZR2s, and an option on 4WDs
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