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1/2 ton to 3/4 or 1 ton

Discussion in 'Chevy Trucks' started by Hoggin GMC, May 31, 2002.

  1. Hoggin GMC

    Hoggin GMC Junior Member
    Messages: 13

    I have a 85'GMC Sierra 1/2 ton 4x4. I was wondering if you could swap in a 3/4 ton or 1 ton rears without any modifications. And if so, what modifications. Thanks
  2. azblazor

    azblazor Junior Member
    from Arizona
    Messages: 1

    rear swapping

    1/2 and 3/4 rear ends have the same width spring perches. A rear out of a 1 ton would work but it would need its spring perches cut off and rewelded. Check out http://www.coloradok5.com forums for awesome information regarding K5, K10, K20 and K30 parts swapping and technical information.
    Good luck:)