89 gmc manual transmission swap

Discussion in 'GM Powertrain' started by Itchynate, Sep 14, 2013.

  1. Itchynate

    Itchynate New Member

    Hey everyone. Im getting rid of the 5 speed in my 89 sierra regular cab stepside. I have a 1987 700 r4 rebuilt and I'm trying to find out exactly what I would need to complete installing it. My radiator has a tranny cooler, do I need a different cross member? A different length drive shaft? Should the computer matter? I have all brackets and the kick down cable and a flywheel and torque convertor.

    Sorry if I forgot anything.


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    I should add its got a 350 and 2wd. Thanks
  2. Itchynate

    Itchynate New Member

    Anyone? Looking to do the swap next weekend. Thanks

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