Thread: Sunoco 260 GT 100 octane = much better throttle response and power, read
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Old 11-30-2011, 02:44 PM   #2 (permalink)
Abdiel
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Quote:
Originally Posted by '10Anamoly View Post
I know that the 10% ethanol lowers the effective octane rating a bit from 93 to probably 91ish.
pretty sure blending in ethanol raises octane rating. ethanol is listed at 108 RON.
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