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t350 to t400

Discussion in 'Chevy C/K Truck Forum' started by 99ta350, Oct 19, 2012.

  1. 99ta350

    99ta350 New Member

    Doing this swap in my 79 longbed 2 wheel drive. What do I need to do. I heard you have to make a driveshaft to fit. This true. If there is a write up I would love to see it. Any help would be awsome.
  2. RayVoy

    RayVoy Active Member 2 Years 1000 Posts

    I can't answer your question, but if you think the driveshaft will no longer be the right length, a quick measurement of the two transmissions would answer that question.

    If your asking, because you think the u-joints might be different, I don't know, but I suspect there would be the same.

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