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Thread: E38 - Serial Lambda Logging - Custom BEN factor PID?

  1. #1
    Member tunedportcj5's Avatar
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    Default E38 - Serial Lambda Logging - Custom BEN factor PID?

    I just switched over to E85 and I need to do some additional VVE and MAF cleanup. The CALC.BEN1_E38 PID won't work because the AFR data coming from the EXT.W02AFR1 is still calculated at 14.7 stoich and not 9.77. Obviously I need to use the EXT.W02LAM1 data. Shall I just create a custom PID and divide the data from SAE.LAMBDA? Is that the best approach?

    Thanks!
    David
    '94 Lexus SC300 LY2 4.8, LS6 cam/springs, E38, LS3 MAF, LS2 intake, 88mm TB, 2bar MAP, T42/4L80e, mpt70
    www.terratraction.com/gallery

  2. #2
    Lifetime Member swingtan's Avatar
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    If it's serial, then you should be able to program the WB controller with the correct Stoich point.

  3. #3
    Lifetime Member mr.prick's Avatar
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    "({ext.wo2lam1}/{sae.lambda})"
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  4. #4
    Member tunedportcj5's Avatar
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    Quote Originally Posted by swingtan View Post
    If it's serial, then you should be able to program the WB controller with the correct Stoich point.
    I didn't know you could change the serial values. I was thinking only the analog outputs? I'll check it out!
    '94 Lexus SC300 LY2 4.8, LS6 cam/springs, E38, LS3 MAF, LS2 intake, 88mm TB, 2bar MAP, T42/4L80e, mpt70
    www.terratraction.com/gallery

  5. #5
    Member tunedportcj5's Avatar
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    Quote Originally Posted by mr.prick View Post
    "({ext.wo2lam1}/{sae.lambda})"
    Thats what I was thinking. Thanks Prick! ;-)
    '94 Lexus SC300 LY2 4.8, LS6 cam/springs, E38, LS3 MAF, LS2 intake, 88mm TB, 2bar MAP, T42/4L80e, mpt70
    www.terratraction.com/gallery

  6. #6
    Lifetime Member swingtan's Avatar
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    I know that with the Techegde, you can program quite a number of parameters in to the WB controller...
    • Serial frame rate.
    • Stoichiometric AFR value.
    • NB simulator curve shape.
    • additional I/P values ( the TE can also act as a data logger in its own right ).


    I'd assume that any WB controller that allows for serial communication of AFR / Lambda / NB Simulation, would allow for a user configuration of the Stoich point.

    Simon

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