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  1. June 6th, 2012 #1
    TonyArme
    TonyArme is offline
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    Default help with a 2005 gto powertrain in a 56 bentley

    Customer supplied ecm and harness from a local company and the tune is way off. trying to load a factory tune back in to start but the os from tunefiledepot.com is 12596734 and it says its not compatible for the current os which is 12598977. any advice on how to get a stock tune back in the ecm?

    when i write the os and calibration to the ecm it wont run.
    Last edited by TonyArme; June 6th, 2012 at 04:56 AM.
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