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Thread: VVT Tuning

  1. #1
    Senior Tuner
    Join Date
    May 2015
    Posts
    1,907

    VVT Tuning

    Tried to search this but didn't find much. If I am installing an aftermarket cam, and I know all the exact specs of the ICL, what if anything do I have to change for the Max Phase, Lock-Pin, Max, and Min? None of the stock values seem to have anything to do with the factory cam specs and just seem to be tuned locations to advance/retard the cam for emissions and power. The cam I am using with have the standard 7* limiter installed.

    Cam going in is a 109 ICL, 115.5 LSA. I plan to run it fully advanced at 109 for most of the rpm range then retard it once I see the torque start to fall off. That part is easy and I will set it up in the WOT tables from 109 up to 114 or so. But what about aforementioned settings?

    Full cam specs:
    109 ICL, 115.5 LSA
    .609/.619
    234/246 duration.

    This is a 9.7:1 426ci motor with a 4.5L whipple running around 18-19psi.

  2. #2
    Advanced Tuner
    Join Date
    Jul 2015
    Posts
    925
    Damn this sounds like an interesting build. Sorry I can be of no help.

  3. #3

  4. #4
    Senior Tuner
    Join Date
    May 2015
    Posts
    1,907
    Quote Originally Posted by JANNETTYRACING View Post
    You have an addiction seek help at modifiers anonymous.
    Should I just call your main line? LOL

  5. #5