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Thread: Overspeed/ Underspeed ?

  1. #1

    Overspeed/ Underspeed ?

    Can someone please explain how overspeed/underspeed this works.

    Thank you

  2. #2
    Advanced Tuner printmanjackson's Avatar
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    it adds and subtracts timing
    '02 Corvette
    LS6, MN6, LT's/X pipe and TI's, Honker CAI, AI 243 heads, PatG Custom Cam, FAST 102, LS2 TB, Red Top inj, HPTuners & NGK/AFX

  3. #3
    Senior Tuner SultanHassanMasTuning's Avatar
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    based on RPM error
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