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what a/f should i be running??

Wisconsingrandprix

Wisconsingrandprix

New member
i have a wide band and it runs 10.5 ish on a zzp tune and imo its supper rich so i was wondering if i could leave the tune and drop one pulley to make up for the extra
 


Whats the timing and any KR at WOT?

10.5 is not terrible, mail order tunes tend to run rich because that better than running lean.

I run anywhere from 8-9.5 AFR, because my tuned is ****ed, and its ran okay LOL, and yes I will get it fixed.

If you are not showing any KR and everything seems fine, a pulley drop may be okay, you'll have to watch and see how the car takes it.
 


11.0-11.6 non ic is ideal the leaner you can get it with no kr the better but no to lean ive seen some people run 12.2 with fullsize ic.
 
I just tuned my car, it decided to be happier at 12.5 13.0 than 11.3 like I had it dialed into when I was tuning. Around mid 11s is where you want to be.
 
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