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Thread: 2005 LLY 80 hp tune help

  1. #1

    2005 LLY 80 hp tune help

    Just getting into tuning been working on theses duramax trucks for a few years now, created my own 75 to 80hp tune and after many miles of causal driving i was starting to get after in in fifth gear and it pulls hard and puts trans in limp mode truck only has 128k on wonder if tune is to hot or trans is just a little weak looking for some guidance. Thank you
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  2. #2
    Advanced Tuner 04silverado6.0's Avatar
    Join Date
    Sep 2021
    Copy this one over. Clean and runs good.
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