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Originally Posted by MartinD car is a 91 with a 10 bolt drum putting in a 327 posi 9 bolt from a 91 firebird |
3:27 9 bolt disc rear end from a 91?
I believe all 90-92 disc rear end were 10 bolt and were either 3:23 or 3:42 with disc brakes from GM.
PBR aluminum calipers on your rear end or steel calipers?
The proportioning valves are different from basically 82 - part of 89 and part of 89-92.