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Yes
yes, all 1979 Camaro Z28's came with a 3.73:1 posi traction rear end.
probably a 3.43.
275 horse
fuse panel
275
Yes- F body car. Sharing parts from 1993-2002.
305
find a posi out of a z28 and swap the whole axle assembly
Yes
25mpg hwy
No. The 4th gen rear end is 4 inches longer.