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Thread: Procharged c7 HELP.

  1. #1
    Tuner in Training
    Join Date
    Apr 2018
    Posts
    16

    Procharged c7 HELP.

    So, this is my first supercharged c7, I've done tons of gen3 and 4 turbo/supercharged tunes but this one got me stressed. Manual trans, 6-7 psi, cam (don't know specs) car runs awsome on the dyno 600whp , Starts good ,idles good, 2nd/3rd/4th WOT pulls on the street great. 1st gear....if you go WOT, around 5500 it goes into a mode similar to "reduced engine power" but no codes or reduced power messages But it limits the throttle. On gen 3/4 I've had to scale injector data to overcome p1516 of p0068. Is there something like that to cure this? I'll post log once laptop gets a charge

  2. #2
    Tuner in Training
    Join Date
    Jun 2021
    Location
    Texas
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    29
    possibly ttc ,tran abuse mode or engine , need a log
    1996 5.7 vortec k1500 (4x4) 411 pcm swap ,lt4/lt1 hot cam ,1.6 rockers, mpfi upgrade, cai, long tube headers ,true dual exhaust getting ready for the turbo
    lmk if you need help with your 96-99 vortec just text my number
    email :[email protected]
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  3. #3
    Senior Tuner SultanHassanMasTuning's Avatar
    Join Date
    Nov 2009
    Location
    All Around
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    3,149
    post file and log
    Follow @MASTUNING visit www.mastuned.com
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  4. #4
    Advanced Tuner Ghostnotes's Avatar
    Join Date
    Feb 2012
    Location
    Houston, TX
    Posts
    471
    Check to see if it's pulling timing as well.Could be torque related.
    I always tune VVE....
    2016 C7 M7 Z51
    Callies ultra billet crank
    Callies ultra billet rods
    Diamond pistons
    Jhonson high speed lifters
    Ported and polished headwork
    Custom cam
    YSi-V7

  5. #5
    Tuner
    Join Date
    Aug 2021
    Location
    Da 405
    Posts
    50
    My cammed/procharged 19 camaro actually does the same thing. I have tried to talk to my tuner about it but to no surprise i haven't heard back from him for months.
    So i will definitely be following this thread to see what the solution comes up to be.

  6. #6
    Advanced Tuner
    Join Date
    Jan 2016
    Posts
    329
    Yes please post log and calibration file. Make sure you are logging all torque parameters and the correct throttle ones.