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  1. How to use a 2010 E38 C6Z on 2006 C6z?

    Wondering if a calibration or some change on the actual tune is needed to make this work or something physical with in the ECM is needed?
  2. 2005 C6 and Dewitts fan settings

    How should the fan settings be set with in calibration to work with Dewitts fan dual set up?
  3. Can I use a E38 from another vehicle on C6?

    I have E38 from 2008 G6GT. Wondering if I can use on an 07 C6 by adjusting the calibration to C6 parameters?
  4. nvm, just read the thread about this and it's a...

    nvm, just read the thread about this and it's a no-no.
  5. 2008 E38 ecm from 08 G6Gt, overwrite with 06 E38 C6 calibration

    I need to replace 06 ECM and have a 08 ECM. Both E38s. The 06 C6 ECM works fine, just not able to pass emissions as all the monitors show not supported.
    I've tried all the tricks to make it work...
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    MPVI2 on Gen 3 trucks

    I usually have to pull fuse and than I can upload, but sometimes that does not work. I then pull the PCM off the truck and onto bench harness and no issues.
    Anyone else having similar problems...
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    Sorry to bring this up from the dead. Did you...

    Sorry to bring this up from the dead.
    Did you repin anything for the TCM or just the harness to the trans?
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    Nice info 1970ss8.1 I have a buddy with a 2005...

    Nice info 1970ss8.1
    I have a buddy with a 2005 GMC 8.1 and Allison. Any suggestions for a basic tune I can load without having to drive a log. His truck is bone stock.
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    VVT on stock 4.8

    Looking to add some pep by tuning VVT files.
    Stock Silverado 4.8
    Any suggestions?
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    1,567

    Fuel pressure log question

    When logging fuel rail pressure C7 Corvette.
    Is rail A passenger side and rail B driver side?

    My rail pressure is about 25 psi lower for rail B.
    I believe I have a leaking injector and before...
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    Appears I found the problem(s). The fuel lope...

    Appears I found the problem(s). The fuel lope cap was stuck in the spring...pulled it out and took the fuel lifter out and installed securely which took care of the low fuel pressure from HPFP.
    I...
  12. Any support for 2009 Tahoe Hybrid 2HY?

    Curious to know if Hptuners supports the Hybrid Tahoe?
  13. Rise of fuel pressure log after vehicle shut off normal?

    See the attached log.
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    Rail pressure

    I logged the rail pressures.
    Review and let me know what you think.
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    I installed the spacer, that is fine. Rail...

    I installed the spacer, that is fine. Rail pressure is fluctuating around 58 psi.
    Number 1 cylinder is wetting the spark plug. I changed the already new seals for number one and the same thing. ...
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    Throttle % Max vs RPM

    Do you think this is ok to move all the numbers to 100%?
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    I am willing to pay for a tune for power and...

    I am willing to pay for a tune for power and maintain decent gas mileage.
    Hopefully an experienced tuner chimes in on this thread.
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    Smoke during idle

    I performed a cam swap and have some smoking at idle. I replaced the valve stem seals with dual valve springs. I am curious if I am seeing a burning oil issue or too much fuel issue. The smoke...
  19. Sharing stock or calibrated files as the Respository is not set up for uploading

    Can you guys share your 2018+ plus files on this thread?
    2019 Camaro ZL1
  20. Tune repository, not set up for uploads at this time...Share you 2018 plus file here

    I figured I am not the only one looking for certain files. Perhaps we can share some here?
    2019 Camaro ZL1 file attached. if you have 2018 and newer files, please share.

    Thank you.
  21. How do we upload files to the respository?

    It used to be easy, but since site changed, I don't see the function to upload.
    Thanks.
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    2018 Tahoe file wanted.

    Does anyone have a 2018 Tahoe file they can share. The file can be stock or modded..stock preferred.
    Thank you.
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    Well I don't want to lose credits. I emailed...

    Well I don't want to lose credits. I emailed support. What time are they normally in or are they all at SEMA this week?
  24. What time zone is support group in?

    Just curious as I have an issue and hoping they have time to get to it for guidance.
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    Wow, serious? I have a few cars to tune. Is...

    Wow, serious?
    I have a few cars to tune.
    Is there another way?
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