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  1. 10-02-2011, 12:00 #1
    R5TURBORON
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    Afr advice

    Had my car 8 months it's running standard turbo at 14 psi it's had carb work. I have aem afr it idles at 12.5 and on full boost it's between 10.5 and 11.5 according to the records it's been running this carb for 3 years what would you advise because it does around 230 miles to a tank of fuel lol cheers
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  2. 10-02-2011, 13:06 #2
    James5
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    Re: Afr advice

    Afr's on idle you want around the 14.7 mark,
    @ WOT you want I would say 12.1 max (i know others go more but i have always been safe and gone for the 12.1 with the VNT i stay max 11.9)

    Idle will just be a case of playing with mix screw to lean it out some more, WOT wise it take it you are getting the afr reading at full boost in 4th or 5th gear (WOT) if so turn the boost up a tad


    Do you know what jetting has been changed in your carb?
    Last edited by James5; 10-02-2011 at 13:17.
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