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Thread: Commanding 22 Degrees of timing, only seeing 14 degrees of timing. . .

  1. #1
    Advanced Tuner TheDastardlyDuo's Avatar
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    Commanding 22 Degrees of timing, only seeing 14 degrees of timing. . .

    I have an 04 LS6 engine and computer in a Factory5 GTM with twin turbo's, 2BAR OS/MAP on the dyno right now. The high octane and low octane tables are the same, the TM has been 0'd out, as well as all the Spark modifiers (that I can find, maybe I'm overlooking something).


    At WOT and only 3-4lbs of boost, trying to get about 21-22 degrees of timing, based on the High/Low Oct tables, but the scanner shows only 14-12 degrees. Here is the data log and tune file. . .

  2. #2
    Advanced Tuner MikeGyver's Avatar
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    You must be looking at the spark tables wrong, you're getting in the scan what is commanded in your high octane table.
    2000 GMC 2500 2-bar SD
    Stock LM7, LTs, TBSS intake manifold

  3. #3
    Tuner in Training
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    Yeah its logging exactly what you are telling it to do.

  4. #4
    Advanced Tuner TheDastardlyDuo's Avatar
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    I just noticed it, on the pull after I wrote this. . . I do have a log that show'd 12 degrees at .52 g/sec.

  5. #5
    Advanced Tuner robbyredneck's Avatar
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    are you logging burst retard.?
    04 6.0 silvy china turbo
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    00 ss camaro