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Thread: 6.2 Engine/Trans Tune?

  1. #1

    6.2 Engine/Trans Tune?

    I just bought a 2017 Silverado with the 6.2. It looks like I need to send in and unlock the TCM to allow the tuning process to begin. Does anyone have a good tune for a stock 6.2 or can point me in right direction on what to change? Any good links or info would be greatly appreciated. Thanks.
    2003 Galaxy Silver Limited Edition GTP
    Mods: 2.8 MPS | S2IC | XP CAM | GEN V | 65# | E85 | TOGS | N* TB | HPT PRO | Impala Brakes | BUILT TRANS w/3.29 GRS

    2017 Chevrolet Silverado LTZ 6.2
    Mods: HPT PRO

  2. #2
    Tuning Addict
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    You have to have the ecm and tcm both unlocked and right now there aren't any chips - or at least the last I heard - to do this.
    2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and Custom Cam - 12psi - 714rwhp and 820rwtq / 100hp Nitrous Shot starting at 3000 rpms - 948rwhp and 1044rwtq still on 93
    2011 Vette Cam Only Internal Mod in stock LS3 -- YSI @ 18psi - 811rwhp on 93 / 926rwhp on E60 & 1008rwhp with a 50 shot of nitrous all through a 6L80

    ~Greg Huggins~
    Remote Tuning Available at gh[email protected]
    Mobile Tuning Available for North Georgia and WNC

  3. #3
    I would have to send both the TCM and ECM to hptuners to unlock just to begin tuning? Only thing im seeing is for 2019+ for the ecm. Then still purchase credits? How many credits will I need?

  4. #4
    How do we adjust the throttle sensitivity like the other programmers do such as pulsar? Is that under the driver demand table? Any experiences with changes to this?

  5. #5
    Senior Tuner
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    Quote Originally Posted by Lumpo View Post
    I would have to send both the TCM and ECM to hptuners to unlock just to begin tuning? Only thing im seeing is for 2019+ for the ecm. Then still purchase credits? How many credits will I need?
    No, you only have to send the TCM to be unlocked. The ECM will tune just as a normal one, except you have to be connected to Wifi.
    I've got a 2016 Denali myself. You'll notice a big difference with a proper tune.

  6. #6
    Quote Originally Posted by kevin87turbot View Post
    No, you only have to send the TCM to be unlocked. The ECM will tune just as a normal one, except you have to be connected to Wifi.
    I've got a 2016 Denali myself. You'll notice a big difference with a proper tune.
    Want to share what you all changed?

  7. #7
    Senior Tuner
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    Here's my current tune.

    2016gmcdenali62Lkwtruckmod9.hpt

  8. #8
    Tuning Addict
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    Quote Originally Posted by Lumpo View Post
    I would have to send both the TCM and ECM to hptuners to unlock just to begin tuning? Only thing im seeing is for 2019+ for the ecm. Then still purchase credits? How many credits will I need?
    I didn't read the post close enough. Yes ecm only for 19+... Also as stated there is a lot to gain even stock - especially mpg wise. But that requires modding things that aren't typically touched.
    2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and Custom Cam - 12psi - 714rwhp and 820rwtq / 100hp Nitrous Shot starting at 3000 rpms - 948rwhp and 1044rwtq still on 93
    2011 Vette Cam Only Internal Mod in stock LS3 -- YSI @ 18psi - 811rwhp on 93 / 926rwhp on E60 & 1008rwhp with a 50 shot of nitrous all through a 6L80

    ~Greg Huggins~
    Remote Tuning Available at gh[email protected]
    Mobile Tuning Available for North Georgia and WNC

  9. #9
    Am I able to just credit the ECM and make those changes and then credit the TCM when available to do transmission tuning at a later date or do I have to credit both before I can tune the ECM?