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Thread: IAT and ECT Spark Corrections

  1. #1
    Senior Tuner
    Join Date
    May 2016
    Posts
    1,134

    IAT and ECT Spark Corrections

    When tuning a 5.0 do you guys usually just leave the IAT and ECT spark corrections alone?

  2. #2
    I would. I have tried zeroing them out to prevent knock. You're better off leaving them stock and lowering your borderine if you are getting knock.