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Thread: Sometimes after reflash have reduced engine power, why?

  1. #1
    Senior Tuner
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    Sometimes after reflash have reduced engine power, why?

    Ive noticed some gen5 do it, some dont, and the ones that do it dont do it all the time??
    Factory Stock 97 SS M6 13.51 @ 104.3 mph
    Stock Longblock LS1 w/ 233/238 P.S.I. Cam
    10.81 @ 126.9 Full interior, six speed on 275 radials, a decade ago

    '99 TA trunk mounted 76mm 6 Liter
    9.0s in '09 @ 153 MPH

    Turbo 5.3 Volvo 740 Wagon
    32psi and still winding out 5th on the highway somewhere

  2. #2
    Senior Tuner 04silverado6.0's Avatar
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    I have this on 90% of 05-07 classic trucks. Definitely a nuisance.

  3. #3
    Senior Tuner
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    with those, you pull a bunch of radio fuses and it doesnt do it if i remember correctly
    Factory Stock 97 SS M6 13.51 @ 104.3 mph
    Stock Longblock LS1 w/ 233/238 P.S.I. Cam
    10.81 @ 126.9 Full interior, six speed on 275 radials, a decade ago

    '99 TA trunk mounted 76mm 6 Liter
    9.0s in '09 @ 153 MPH

    Turbo 5.3 Volvo 740 Wagon
    32psi and still winding out 5th on the highway somewhere

  4. #4
    Tuner in Training
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    Mar 2022
    Posts
    31
    SEO 1 radio radio amp.

  5. #5
    Senior Tuner 04silverado6.0's Avatar
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    I have not tried pulling the fuses. As long as its not bricking i dont get too concerned about a minor issue.