I purchased a 94 posi 3.43 without brakes or mounting brackets for the brakes. I was wondering if anybody knows if my old calipers off an 89 Z will fit the mounting brackets fot the 94 Z28 rear end.

 

There is a guy here that is transplanting 4th gen brakes to a 3rd gen rear. Everything seems to be working well. If his goes well, i don't see why your idea won't work. Well... no one knows the proper operating pressure of the 4th gen brakes. You might have to buy an adjustable proportioning valve. The e-brake cables might be different as well. Mechanicly i don't think you will have a problem, the other 2 things i mentioned you might want to look into.

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• 89 Formula 305 WS6
  SFC's, LCA's, Air Foil
  Spohn Panhard Bar
  Flowmaster Cat Back, Tranny Cooler
  A/F Ratio Meter (not a mod but it sure spurs interest)
  Trans Temp Gauge
  Most "Free" Mods
  3:73, Zexel Torsion Posi
  !cat
  CAI W/ K&N
  
  15.559 @ 88 MPH
  (Not good enough)