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Thread: Trying to Autotune.. There is no B3605 CHART

  1. #1
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    Default Trying to Autotune.. There is no B3605 CHART

    There is no B3605 chart in my custom 2002 O.S. 3 bar setup. Should there be? I am trying to autotune but cannot find this chart to enter commanded AFR ratio. My Boost and main VE tables are reading in VE #'s. Where can I enter the AFR ratio I want the system to run at. I need to know where the AFR chart is? Any help? Happen to anyone else? Do you understand?
    '71 chevelle
    Twin turbo ls1
    1000 HP 93 octane street car!
    96 lb injectors

  2. #2
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    Was this table just replaced with thw EQ ratio vs RPM table?
    '71 chevelle
    Twin turbo ls1
    1000 HP 93 octane street car!
    96 lb injectors

  3. #3
    Lifetime Member GMPX's Avatar
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    Quote Originally Posted by nitrorocket
    Was this table just replaced with thw EQ ratio vs RPM table?
    Yes, it's in the docs -
    "In some Custom Operating Systems the {B3647} Open Loop AFR calibration has been changed from GM’s ECT vs MAP to EFILive’s RPM vs MAP."
    I no longer monitor the forum, please either post your question or create a support ticket.

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    So then basically, I enter 14.7:1 through the entire range except for the last two columns which get progressivly richer?

    Isn't 14.7:1 pretty lean? Have people had good luck at that ratio I am assuming?

    For boost AFR. What is recommended, the AFR vs rpm in PE mode? Or just increasing boost ve table #'s for desired air fuel ratio?

    Wouldn't they be about the same? I mean if you just left the boost vVE table correct over the 100kpa AFR on the EQ ratio versus rpm, would'nt that also be map/rpm based afr also? And should I start the boost chart around 10.8:1 AFR?
    '71 chevelle
    Twin turbo ls1
    1000 HP 93 octane street car!
    96 lb injectors

  5. #5
    EFILive Reseller wait4me's Avatar
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    Make sure to check what units it is in. If it says EQ ratio, then you need to put in the ratio, and not the 14.7 ect..

    Ive fixed about 5 peoples tunes that have been doing this. If you command a 14.7 when it should be 1.0 then the thing wont run and just puffs black smoke out the tailpipes...
    "If you can leave a black mark on the pavement, from the exit of one corner to the braking point of the next one, you have enough horsepower."

  6. #6
    Lifetime Member BowlingSS's Avatar
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    Quote Originally Posted by wait4me
    Make sure to check what units it is in. If it says EQ ratio, then you need to put in the ratio, and not the 14.7 ect..

    Ive fixed about 5 peoples tunes that have been doing this. If you command a 14.7 when it should be 1.0 then the thing wont run and just puffs black smoke out the tailpipes...
    I did that the first time and the car would not start. Check them units.....

    Bill
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  7. #7
    Lifetime Member GMPX's Avatar
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    Quote Originally Posted by BowlingSS
    I did that the first time and the car would not start. Check them units.....

    Bill
    I just added that into the document, you guys :lol:

    Cheers,
    Ross
    I no longer monitor the forum, please either post your question or create a support ticket.

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