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Thread: Finding a posi rear end

  1. #1
    Join Date
    Mar 2007
    Cleveland Ohio USA

    Default Finding a posi rear end

    Can someone suggest other cars,years,models, that cam with the same size rear end.
    I realize all gm full size should work...looking for the most popular types.

  2. #2


    Posi rearends for our cars are hard to find. I beleive the 455 came with a 12 bolt rearend also called a 9 3/8. They have a good reputation for reliability when you find them.

    There are threads here and on the V8 Buick board about identifying axles and where to find them. In general your best bet is under a full sized Pontiac or Cadillac 1970-1976.

    Good luck.
    Livin' Large.

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