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Thread: Re-scaling PE Table

  1. #1
    Advanced Tuner
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    Re-scaling PE Table

    Hello,

    Just curious to know if anyone has played around with re-scaling the PE table and trying to command a leaner lambda? Was reading about the MS3 and the 2.3L DI motor with regards to tuning for leaner cruise and gaining MPG. Got me curious about whether or not this is even possible with this or not.

    Example:

    09 RY Cobalt SS Coupe - 19K miles - Bolt ons + 7163 ZFR, HP tuned on ethanol

    Sold - 09 SRTC Cobalt SS Sedan
    Totaled - 09 VR Cobalt SS Sedan
    Sold - 09 RY Cobalt SS Sedan

  2. #2
    Tuner in Training
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    Apr 2012
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    Not to familiar with the car but I don't think adjusting the PE tables is where you would want to lean it out for better MPG. PE tables are what you will enter while in boost or the engine is under a heavy load so in theory you should never enter PE while cruising on the hwy.

    Maybe I miss understood your question but that's my take on it

  3. #3
    Advanced Tuner
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    Only table we have access to to adjust commanded lambda AFAIK
    09 RY Cobalt SS Coupe - 19K miles - Bolt ons + 7163 ZFR, HP tuned on ethanol

    Sold - 09 SRTC Cobalt SS Sedan
    Totaled - 09 VR Cobalt SS Sedan
    Sold - 09 RY Cobalt SS Sedan

  4. #4
    Senior Tuner Iam Broke's Avatar
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    Jul 2009
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    2,305
    I think you will find other tables we have no access to will over ride it.

    T2 & I tried in a few different ways and never could get commanded >1.0
    '12 Camaro T3 2SS/RS LS3 M6, SLP TVS 2300, Flex Fuel

  5. #5
    Advanced Tuner
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    Lame.... Thanks Tom. The man, as always!
    09 RY Cobalt SS Coupe - 19K miles - Bolt ons + 7163 ZFR, HP tuned on ethanol

    Sold - 09 SRTC Cobalt SS Sedan
    Totaled - 09 VR Cobalt SS Sedan
    Sold - 09 RY Cobalt SS Sedan