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Thread: T87A Support

  1. August 2nd, 2024 #1
    thatcompoundL5P
    thatcompoundL5P is offline
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    Default T87A Support

    Hopefully someone has info or maybe even a stock file for a 6 speed Allison - t87a? 17-19 L5P.
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  2. August 2nd, 2024 #2
    Lennydmaxguy
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    I have this stock file for a 2018 Sierra 2500 that I pulled from TIS, but never used.
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  3. August 2nd, 2024 #3
    thatcompoundL5P
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    Quote Originally Posted by Lennydmaxguy View Post
    I have this stock file for a 2018 Sierra 2500 that I pulled from TIS, but never used.
    Thanks man, looks like it needs mapping
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