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Thread: tune is real rich

  1. 06-23-2021 #1
    73volks
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    tune is real rich

    gen 3 5.3 with a btr stage 3 ls3 injectors and nnbs intake and 92mm throttle body
    tunning with a wide band but it will not clean up
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  2. 06-24-2021 #2
    73volks
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    i figured out some of it but still rich
    with the returnless system you have to scale your injectors and i also figured out my map sensor isnt working61 gmc cam idle.hpt
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  3. 06-24-2021 #3
    blindsquirrel
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    The tune looks like it's set to MAF-only above 250 RPM and you're trying to change it by adding big whacks to the VE table... it uses the MAF tables when in MAF mode, adjust that instead and you should see changes start to happen.
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