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Thread: c14se & c16se - gm-multec ecu's range of timing adjustment

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    Default c14se & c16se - gm-multec ecu's range of timing adjustment

    a bit of a random question to most, but does anyone know what the maximum advance/retard is, that these gm-multec ecu's can adjust themselves to ?


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    Senior User phazer's Avatar
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    AFAIK there is no adjustment per se. They run a RON plug to set max ignition and have no knock sensor. The only changes would be minor percentage adjustments for air/water temp.

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    With mapping you can change it free. I have definition file for tunerpro if you need.

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    chippy shoulder Admin
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    Ohhhhh I'd like that

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    this is interesting,I thought you couldn't "map" their ecu's/AFM???

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    chippy shoulder Admin
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    The multec you can, but no one really bothered

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    Which setup is that? Siemens or Bosch?

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    It's Siemens kit.

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    Been meaning to get hold of a corsa 16v to see how you could add boost to its ecu but alas they be rare again as mentioned elsewhere

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