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Thread: peak power calculator

  1. #1
    Tuner in Training
    Join Date
    Sep 2015
    Posts
    38

    Unhappy peak power calculator

    hi

    with my friend gmc sierra 15 ... supercharger and cam
    and tuned by shop ...
    in the last time .. there problem in the car and he lost about 100+hp in the dyno
    .. when we check i found timing in idle -15 / -16 ! + also all injector not work properly

    i ask some guys and he say ( you must re-calculator torque model )

    what you think ! and how i can re-calculator torque model

  2. #2
    Tuning Addict
    Join Date
    Jan 2015
    Location
    Franklin, NC / Gainesville, Ga
    Posts
    6,736
    So one pull to the next and you just lost 100hp and it went to idling funky? Am I understanding this correctly? Really sounds like you blew a vacuum plug off of the blower somewhere and now you have a major vacuum leak - that's if it just started one pull to the next...

    If it's been doing this from the install time, then yes - it's a DI engine correct? - So needs a complete retune - more so due to the cam than anything else... Even though you should be able to adjust things in a lot closer without even touching the torque model...

    This also might need to be in the gen 5 section for further assistance
    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]
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