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Thread: Spark Advance / Hex Edit for '7747 ECM

  1. #1
    Super Moderator dave w's Avatar
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    Spark Advance / Hex Edit for '7747 ECM

    I'm posting this screen shot to make sure I have correctly Hex edited 00BA in the .bin file to get Spark Advance into the data stream?

    Thanks,

    dave w
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  2. #2
    RIP EagleMark's Avatar
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    No, your in the main spark advance table! No reason to use hex, it's done for you in that paremeter. Just change 00BA to 0067 and save. Poof it's done.

    Also need to change ADX conversion from 0 to whatever distributor is set at... if changed.

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

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