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Thread: Ideal AFR for 5.7 hemis ,NA

  1. #1
    Potential Tuner
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    Sep 2021
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    Ideal AFR for 5.7 hemis ,NA

    Hello Guys I?m looking for your usual support

    I have a ram 5.7 Hemi complete bolt-on

    I use the truck mostly off-road conditions through the dunes ( where the truck at high rpm, while truck speed is low).

    At WOT the afr between 12.2 then it goes richer till 11.8 at 6000 are these numbers ok ?

  2. #2
    Tuner N2speed's Avatar
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    Mar 2021
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    Pompano Beach FL
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    little on the rich side I like seeing 12-12.5 WOT


    www.n2speed.com

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    Dodge And GM Tuning Suppport
    Diablosport CMR | HP Tuners

  3. #3
    Advanced Tuner
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    Oct 2005
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    baton rouge la
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    I target 12.5 on the trucks, 12.5-12.7 on the cars

  4. #4
    Senior Tuner Ben Charles's Avatar
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    .85 lambda

    Email Tunes, Bencharles_10@hotmail.com
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  5. #5
    Potential Tuner
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    Sep 2021
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    Many thanks