if anybody could help well appreciated.i took my rear end out and don't know if it is 1969 firebird rear end or something else i tried looking for every number possible and fond some but could not find anything on the numbers i found. gm33 b271 1254333 2gm3984825 b14 8703 820 15 41 6 75.any help that would be great thanks.:HMMM:
