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Thread: B0727 Throttle based injection quantity

  1. #1
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    Default B0727 Throttle based injection quantity

    I've noticed a few tunes now that have higher than 100mm3 in the B0727 table. I see EFI limit is 200, but is it even possible to run higher than 100mm3 if the Y axis of B0720 only goes to 100mm3?

    My logic tells me that if B0720 ends at 100mm3, then that would be the maximum the PCM could command regardless of the input from B0727. Please correct me if I'm wrong.

  2. #2
    Lifetime Member THEFERMANATOR's Avatar
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    100 is all that can be commanded for LB7 and LLY, LBZ and LMM I think go to 120 as stock they can fuel upwards of 110-115. For LB&/LLY there is really no need to go beyond 100, but many of us go to 105 or so just to make sure that the throttle based calls for max fuel when you go 100%. I don't go beyond 105 for throttle based when writing tunes, and don't exceed 120 for any table.
    1995 GMC 2500 SUBURBAN powered by 01 DURAMAX/ALLISON, little of this, a little of that,
    DIAMONDEYE 4" exhaust, CORSA muffler, AFE stage 1 dry filter, custom tuning by me, KENNEDY single pump and pump rub kit.

  3. #3
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    I am just like THEFERMANATOR I don't go about 105 on my tunes just to ensure it gets too 100.
    2002 Chevy Duramax with a few supporting mods.

  4. #4
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    Helpful as per usual, Thanks Guys! Suddenly my tables are making more sense

  5. #5
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    ya I have seen other trucks had it set to 160 in that table. but like they say 105 or 110 Is the limit

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