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Thread: Why knock retard after reflash?

  1. #1
    Tuner
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    Why knock retard after reflash?

    2002 C5 Z06 with custom 2 bar OS. After I flash a tune the first time I go WOT there is always a couple degrees of knock retard. After that WOT is fine, no timing being pulled. Anyone else run into this?
    2002 EB C5Z06. ECS Novi, Alky control meth & headers, 633 rwhp

  2. #2
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    Anyone else experience this? Knock retard in the first WOT after a reflash and then after that no knock retard. It?s a real pain when I?m the dyno and timing gets pulled for no reason

  3. #3
    Stupid question are your low octane and high octane tables the same as each other?

  4. #4
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    Quote Originally Posted by 3strokeEngine View Post
    Stupid question are your low octane and high octane tables the same as each other?
    Yes
    2002 EB C5Z06. ECS Novi, Alky control meth & headers, 633 rwhp