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Shift points


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I own a 2017 Sierra 1500 5.3l. I currently have it tuned with a flashpaq f5 93 performance tune. I am looking for advice and help on trying to have my truck shift a little bit firmer/harder. From what I am reading I can adjust shift points but I know absolutely nothing about what to adjust them to and I am afraid of ruining my tranny. PLEASE HELP!

  • 8 months later...

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