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factory eaton posi question

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by MattK, Sep 25, 2005.

  1. MattK

    MattK 1/2 ton status

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    my friend has a 72 with the eaton posi unit in the 12 bolt from the factory. it seems to make a lot of noise when turning but sometimes it doesn't take much turning for it to start popping and cracking.

    im kinda curious if anyone else experiences this. maybe a limited slip additive would help?
     
  2. MattK

    MattK 1/2 ton status

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    bumpty
     
  3. Beast388

    Beast388 1/2 ton status

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    The factory limited-slip in my '71 Burb would do the same thing. The friction modifier additive helps quite a bit. It is much quieter when added. :D
     

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