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  1. November 2nd, 2011 #1
    pormgb
    pormgb is offline
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    May 2011
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    Default AFRs

    Hi All,

    I'm doing some tuning before the winter comes and I'm trying to get a handle on ideal AFRs. Since the temperature has dropped I'm experiencing some popping and hesitation when I go hard on the gas under 3K RPM, I've done a RAFIG + Calc VET. Her are some images of my AFRs, does this look normal?

    Motor specs;
    LS6 Block
    Camshaft 226/229 .575/.578 116 LSA
    LS6 Intake
    85mm Professional Products Throttle Body
    Hooker Headers
    No Cats
    Denso Iridium plugs gaped at 40


    Click image for larger version.  Name: afr2.jpg  Views: 303  Size: 209.9 KB  ID: 12194Click image for larger version.  Name: AFR.jpg  Views: 330  Size: 221.0 KB  ID: 12195
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    Last edited by pormgb; November 2nd, 2011 at 01:53 PM.
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