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Thread: LML Stock Files

  1. #1
    Senior Member
    Join Date
    Jan 2011
    Posts
    188

    Default LML Stock Files

    I am doing a harness and engine swap for a customer, we will be using a LGH - 6L90 from a 2011 van. Can i use any OS that matches the ECM or does it need to be from a van? van os as per TIS is 12646249, I have a few truck OS's that are the same. I assume that the engine would be at truck power levels.

    Or do i need to buy a file for the vin?

    Thanks
    Last edited by derkscustomcars; April 29th, 2020 at 03:05 AM.

  2. #2
    Senior Member
    Join Date
    Aug 2008
    Posts
    100

    Default

    If you use the truck vin for the ecm tune then it would be at a higher power level than using a van os. Ecm and tcm are separate so you shouldn

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