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Search results

  1. G

    Tranny computer for 6.5 to 6.2 swap w/4L80

    I honestly don’t have a clue lol. The teuck is a ‘99 and the 6.2L is a ‘83
  2. G

    Tranny computer for 6.5 to 6.2 swap w/4L80

    Bought a ‘99 3500 4x4 that had a 6.2 installed in place of the bad 6.5L. The exhaust and breather had to be altered, but it seems ok. The 4L80 will not shift correctly but I’ve heard you can use a TCM from a different application or get a stand alone TCM. I’m not worried about anything other...
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