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10-bolt rear (found in a roadside ditch)

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by TheEmissary, Feb 24, 2003.

  1. TheEmissary

    TheEmissary Registered Member

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    Location:
    Houston, Texas
    I have a 10-bolt rearend which I located in a ditch, which is located near my home.

    When driving home, I found what appears to be a rearend in the brush, and when I came across it, it was a Chevrolet 8.5" rearend; however, it has 5-lug axles (2 wheel drive), and have plans to rebuild the differential assembly.

    1: Are the 2wd and 4wd rear differential housings diffrent in the axle length? The 2wd axles measure 31.375", and the 4wd measures 31.3125". The difference is .0625".

    Would the 4 x 4 rear axles swap into a 2wd axle housing?
     
  2. Blazinaire

    Blazinaire 1/2 ton status

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    yes, it is a direct swap /forums/images/graemlins/cool.gif. I did the same thing with my 12 bolt /forums/images/graemlins/thumb.gif.
     
  3. Swanson52

    Swanson52 1/2 ton status

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    [ QUOTE ]
    I have a 10-bolt rearend which I located in a ditch, which is located near my home.

    [/ QUOTE ]


    Doesn't that tell you something??
     
  4. four_by_ken

    four_by_ken 1/2 ton status

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    Why do you want to rebuild this?

    Ken H.
     
  5. R72K5

    R72K5 Banned

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    i found a 4wd th350 in middle of busy street near here last summer, axle shafts swap 10 and 12 bolt 70- and later all of them are 31 3/16 long" both models of axles but there are two brake sizes 2" and 2.75"
     

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