Thread: Knock Retard when accelerating

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  1. #1 Re: Knock Retard when accelerating 
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    Mostly Stock...CAI, U-bend, delete, AP605 Spark plugs, aftermarket mufflers, and DHP v1.0 PCM
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  2. #2 Re: Knock Retard when accelerating 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    Need to post up a scan or something more. I wouldn't be too worried about 2*Kr on stock engine/pulley though...
    2001 GTP PT61 Turbo, E85, Stock Motor
    2011 Chevy Cruze MT6 1.4L Turbo
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  3. #3 Re: Knock Retard when accelerating 
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    1.9* of KR is during normal driving/acceleration, it can get up to 5.6* at WOT. I scanned with EFI Live which uses it's own propriatary format. But here is s snippet, one at idle...one at a brief WOT run.

    IDLE
    RPM:734
    o2 #1: .807v
    o2 #2: .009v
    SPARK Deg: 27
    KR: 0
    INJDC1: 4.777
    INJDC2: 4.777
    AFR: .5
    MAF: .98 lbs/min
    ECT: 196
    IAT: 154
    LONGFT1: -2.3
    LONGFT2: -98.4

    WOT
    RPM: 4585
    o2 #1: .924
    o2 #2: .017
    SPARK Deg: 7.0
    KR Deg: 5.6
    INJDC1: 59.705
    INJDC2: 59.705
    AFR: 1.00
    MAF: 21.91 Lbs/Min
    ECT: 196
    IAT: 147
    LONGFT1: -0.8
    LONGFT2: -96.9
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