Search results

  1. J

    09 Express Van LMM 4l85e to Allison 1000

    Thanks Jake, I wonder if anyone can confirm the TCM needed
  2. J

    09 Express Van LMM 4l85e to Allison 1000

    Could anyone help me with what I would need to do to swap the 4l85e for a Allison 1000. 2009 Express LMM. I tried google searching but everyone is saying something different. What I have gathered is I need to flash the ECM to a truck OS, repin the harness and get a T42A TCM correct? Anyone done...