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Thread: e38 speed density tune change spark table values from g/sec to kpa?

  1. #1
    Potential Tuner
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    Aug 2016
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    e38 speed density tune change spark table values from g/sec to kpa?

    Is there anyway to change the value on the spark table (to read KPA) so that the histogram (reading KPA) has usable data as to which value to change on the spark table? If not how do you know where you are at on the spark table?

  2. #2
    Senior Tuner mowton's Avatar
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    Mar 2007
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    Are you referring to the default spark graphs that have MAP as there row axis yet the Editor has g/cyl?

    If so, you can change the Graph axis either by restarting over at layout>Default Layout and follow the build up until you get to Airflow and instead of picking MAP, select g/cyl.

    Or you can go to the Graph Display Layout Editor, select Spark Advance, go to the Row Axis: parameter and change MAP to g/cy/ through Maths>Cylinder Airmass and pick the appropriate (most likey 8 cyl) value. Then go to you Spark table in the Editor, click on Row Axis>Copy labels and paste in the graph values box.

    Ed M
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  3. #3
    Potential Tuner
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    Aug 2016
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    Thanks for the quick response, that seems like what i needed.