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Thread: Good AFRs

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    Biggsw784's Avatar
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    Good AFRs

    I just did another upgrade on my doo and I am just wanting to make sure my afr are good on the first run. I am going to the water this afternoon to tune and curious where my afrs need to be to be safe at wot. I did a search and really didnt come up with a good answer. Thanks


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    Turbofab's Avatar
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    11.5-12.2 wouldnt go over 12.2s

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    Biggsw784's Avatar
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    awesome man. Thanks

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    Turbofab's Avatar
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    those are WOT AFR idle afr should be around 13.5

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    ATNryan's Avatar
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    Just curious, but what is the leanest you can be at idle (1700rpm) and still be safe. Trying to tune for WOT, but I def need more fuel in the low end if I am going to be pulling more out.

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    Boost-A-Holic's Avatar
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    Quote Originally Posted by ATNryan View Post
    Just curious, but what is the leanest you can be at idle (1700rpm) and still be safe. Trying to tune for WOT, but I def need more fuel in the low end if I am going to be pulling more out.
    I wouldnt go any leaner than 13.5 at idle. I have mine idling at 13.2

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    stuckmoto's Avatar
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    I thought 14 is ok. Aren't stock skis coming ever leaner?
    Last edited by stuckmoto; 06-03-2013 at 05:22 PM.

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    GRF + DashPac:) seadoo02xp's Avatar
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    Quote Originally Posted by stuckmoto View Post
    I thought 14 is ok. Aren't stock skis coming ever leaner?
    14 is ok at idle, leaner than most but it won't hurt anything

  9. #9
    Biggsw784's Avatar
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    I got mine to about 12.3 or so at wot but at idle its about 10.9-11.2. What else can I do??

  10. #10
    AtoMIC_OraNGE greenbullet's Avatar
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    ive run 14 at idle but like 13.5.... at 14 the engine starts to go lean you can tell and barely wants to run .. once you add a lil more fuel on the regulator it smoothens out and runs smooth again and thats about 13.5 idle for me

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