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Thread: Installed Cam and need a tune

  1. #1
    Potential Tuner
    Join Date
    Mar 2011
    Posts
    1

    Installed Cam and need a tune

    99 C5 6 speed
    Current tune for full boltons, LG pro headers, ls6 intake...
    I just installed 233/239 TSP Cam and 243 heads SVO 30# injectors.
    Posting my tune and a log file. Is the car safe to drive? It seems to be. I know its not right but it doesn't show much KR.
    I am going to have to hire someone to tune it I am sure.
    Thanks for any help.
    I attempted to work on the idle. (it's ok but need more work)
    I also attempted to Scale the injectors. I think I did it right.

  2. #2
    Advanced Tuner Rinkrat456's Avatar
    Join Date
    Apr 2011
    Posts
    416
    Safe to drive? Sure.

    Could it be a lot better? Definitely.

    Areas to address...
    -Base running airflow
    -You're currently utilizing the MAF sensor, which then needs to be calibrated
    -Primary VE table needs loving (as is shown from your log)
    -Secondary VE table should be dialed in if you every plan to ditch the MAF
    -PE fuel multiplier vs RPM table could be better dialed in, right now it's on the super safe side and there's room left on the table
    -Spark tables could better suit you to go back to stock...the logs showed you did have KR in the upper cells, especially with 243 heads you don't need 27* of timing IMO.

    Those are the main things for now. No need to nit-pick, that's your job.
    -Patrick
    Click for >>Idle Tuning Guide