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Old 05-18-2010, 05:38 PM
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Default Re: Using E-85 as an octane booster...(mixing with E-85)

Originally Posted by danimal
We had 93 octane before they started mixing in the ethanol so it isn't the ethanol that gives us the 93. I'm not sure you are going in the right direction, even though E85 is supposedly higher octane.....it isn't gasoline and I think you will exceed the 10% before you get the octane level you are looking for.
I don't know if my plan is for it to be a permanent solution. More like...just until I can get a full custom tune on 91 octane. I know it's not a conventional way to raise octane...just more of a thought.