Question about non ethanol gas and tuning.
05-11-2012, 10:14 PM
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Question about non ethanol gas and tuning. If I use non ethanol 93 to tune the car, will I have problems running the car hard on regular 10% ethanol 93?
05-12-2012, 09:46 AM
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E10 will go a little lean at WOT compared to non-ethanol. I would tune it with E10 93 first so you have a built in safety margin when you run clear premium.
05-12-2012, 12:44 PM
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05-12-2012, 03:36 PM
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Let me get your opinion on one other thing. Is it worth the effort to do a seperate tune on race gas on an N/A motor? With and without NOS.
