Quote:
Originally Posted by sparkyblue
Let me get this straight, in order to run the COBB OTS E-30 v403 Map.
To get 30% Ethanol with California ACN91 & E85. I should mix 50% E85 & 50% ACN91 correct?
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No,
E30 means 30% ethanol. Which is at min. 4.25 gallons of E85 to a full tank. With 91 you may have to mix slightly more. Based upon 91 having 10% ethanol.
But log to be sure.
http://www.intercepteft.com/calc.html. Use this calculator at the bottom. E85 is 96 AKI octane to 91 octane AKI..
Which comes to about 92.3 AKI octane.