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1999 4l80e for a 2006 4l80e swap

  1. A

    Trans switch

    I have a 98 k3500 with 6.5 turbo diesel in it reverse ban broke pulling generators for FEMA during storm I found a 04 k2500 with 4l80 e will the trans fit mine and what needs to be done to make it all work
  2. B

    1999 GMC 6.5l Diesel transmission swap

    Can I swap my 1999 GMC 3500 6.5l diesel 4l89r transmission with a 2006 4l80e diesel transmission? My 1999 transmission does not have the 12 o’clock mounting hole. Can I cut off the bell housing mount hole from my 2006 to clear the turbo? Are there any other differences internally that won’t let...
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