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Frame interchange?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by djohnsn, Mar 7, 2006.

  1. djohnsn

    djohnsn 1/2 ton status

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    Location:
    Plano, Texas
    I am considering replacing the frame on my 78 Blazer (body tub is ok, but frame is bent). Can someone tell me for sure what years will interchange. I thought that I would be ok with anything 76 or newer, but then I noticed the that replacement body bushing sets are the same only for 78-80. Anyone know for sure?
     
  2. mouse

    mouse 1/2 ton status

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    Location:
    Great Falls Mt
    1978 is when the floor changed and had some frame changes as well. You'll want to focus on the '78 and newer, unless you're willing to deal with the differences in the frame.
     
  3. sweetk30

    sweetk30 professional hooker Premium Member

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    Location:
    horseheads , ny 14845
    you can was bushings around with a little work. i have the 81-up style in my 77 k30 frame . just opened up the hole to fit the newer style in.
     

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