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Thread: Corvette c7 z06 GM 100 octane tune

  1. #1
    Potential Tuner
    Join Date
    Sep 2020
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    Corvette c7 z06 GM 100 octane tune

    Hello friends,
    Does anybody have an hpt read of the gm 100 octane mapping?
    This calibration could be ordered from gm for models 15 and 16 for track use.
    I would like to see when they start to pull timing at high IAT.

    Best regards
    Max

  2. #2
    Tuner in Training JustinWhiteTuned's Avatar
    Join Date
    Mar 2017
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    Houston Tx
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    Quote Originally Posted by maxwell View Post
    Hello friends,
    Does anybody have an hpt read of the gm 100 octane mapping?
    This calibration could be ordered from gm for models 15 and 16 for track use.
    I would like to see when they start to pull timing at high IAT.

    Best regards
    Max
    I dont have the file unfortunately but can lend advice atleast. Typically if your in a rather cool environment, i set my aggressive reduction (-10 or more) at 100* over ambient. So say its 70* that day, then set 170* and up to -10 and i usually blend it down a few cells after seeing what the temp maintained typically is for an average lap. This obviously is one mans opinion and is subject to how aggressive the calibration is already, but i tune many many C7s that run very hot environments 90+ and havent had a failure to date. Hope this helps.

  3. #3
    Advanced Tuner
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    Aug 2014
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    Central, LA
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    737
    c7zs run hot even with all the cooling mods. Usually start pulling around 150 myself, and aggressively around 100 over ambient but not necessarly -10. Do a few plug reads and find what it wants at your operating temps.