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28 or 30

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Robert, May 9, 2000.

  1. Robert

    Robert Registered Member

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    Location:
    Pagosa Springs and Colorado Springs Colorado
    Is there any way to figure out if you have 28 or 30 spline axles with out pulling them out? I have a 1985 Blazer.
    Thanks
     
  2. JOEBLAZER12

    JOEBLAZER12 Registered Member

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    If the axles are stock 10 bolts, then they are 28 spline. They started using 30 spline axles for the 10 bolts in 1989.
    Hope this helps.

    JOE
    '89 Blazer
     
  3. 6.2Blazer

    6.2Blazer 1/2 ton status

    Joined:
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    Location:
    Ohio
    Like Joe said, if it's an '85 and stock, then they are 28 spline axles front and rear.
     

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