Thread: AFR and E85
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Old 09-12-2013, 02:00 PM   #8
mad_sb
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Quote:
Originally Posted by Element Tuning View Post
..so if you cruise at 14.7 on fuel you can run 15.7 on E85 and if you tuned your car to 11.0 on gas you can run 12.0 on E85.

If you're a pro forget all that and just run as lean as you can get away with under cruise and whatever makes the most power under full load

Thanks,
Phil Grabow
Sadly the stock ECU will not let you target anything leaner than 14.7:1 while closed loop.... at least not without a code patch. That was one of the first things i wanted to play around with on E85. 14.7 equates to 0 on an 8bit data value.
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