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Thread: modest tune BC tool daily driver occasional towing

  1. #1
    Tuner in Training
    Join Date
    Dec 2022
    Posts
    11

    modest tune BC tool daily driver occasional towing

    hey all. could i get a set of eyes to check my tune out on my 2019 LD 6l80 1500. its a stock truck with mishimoto aux transcooler and Gm updated TBV ( as far as engine and transmission goes )
    i used the blue cat tool to adjust the shift points and make it down shift a little quicker on hills. im very new to tuning, im just trying to tune for longevity of the truck. i do tow a 5k camper sometimes in tow haul. id love some feed back and for someone to let me know if im doing anything wrong.
    thanks in advanced
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    Last edited by Mike1208; 09-19-2023 at 07:54 PM.

  2. #2
    Senior Tuner
    Join Date
    Jul 2020
    Location
    VIC Australia
    Posts
    1,157
    0 your slip tables
    Look at your lock up mph points. You want it locked in at least 5th & 6th gear. Most people run it unlocked either 1->3 or 1->4. Up to you what feels best.

  3. #3
    Tuner in Training
    Join Date
    Dec 2022
    Posts
    11
    Quote Originally Posted by hjtrbo View Post
    0 your slip tables
    Look at your lock up mph points. You want it locked in at least 5th & 6th gear. Most people run it unlocked either 1->3 or 1->4. Up to you what feels best.
    i currently have 1-3 unlocked , i was slightly scared of going to 0 on the slip tables cause i read some people with the stock converter were experiencing fishbite/chuggle from this.

    as far as tow haul goes should i have the first couple gears unlocked there as well?

  4. #4
    Tuner in Training
    Join Date
    Dec 2022
    Posts
    11
    heres my stock tune to compare to what ive changed
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  5. #5
    Advanced Tuner
    Join Date
    Apr 2016
    Posts
    331
    You can zero out tcc desired slip and it will still slip. Read up about the TCC Regulator Offset.