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Thread: 6L80 tune advise

  1. #1
    Tuner in Training
    Join Date
    Jan 2020
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    6L80 tune advise

    Hey guys,
    Pretty new to HP Tuners, have been playing with the tune on my daily 2015 Silverado, 5.3/6L80. Biggest thing I wanted to work on was the trans as that is my biggest complaint with this thing. I have attached my current tune. So far I am 1000% happier with the way the truck drives, and gas mileage hasn't really suffered after I stopped romping on it. Obviously there is a lot more experience here, so I just wanted to see if anyone could take a look and make sure I don't have anything bumped up too far as far as shift pressures, settings, or just any advise on fine tuning that could make it even better. I used the BC trans calculator for the shift points and TCC lock up points, which seem to work pretty nice so far. Thanks for any help!
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    New to tuning, but not to cars. Just here to learn!

  2. #2
    Tuning Addict 5FDP's Avatar
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    May 2012
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    Rogers, MN
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    10,065
    If it shifts fine and isn't banging gears or jolting you around, it should be alright.

    I tend to keep shift times around .3000 and work my shift pressures and on-coming pressure presets to get my desired outcome. It's a good medium so that I get nice crisp part throttle shifts and no slamming of gears at full throttle.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

  3. #3
    Tuner in Training
    Join Date
    Jan 2020
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    12
    Thanks for the reply. I am still tweaking, just want to make sure where the "line" is as far as line pressure, shift pressures, etc. I like where it is right now as far as the shifts.
    New to tuning, but not to cars. Just here to learn!