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Raising Octane.... E98, E85+Meth, etc

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mini zilo

15+ Year Contributor
783
16
Jul 17, 2006
Chicago, Illinois
Who runs E85 + Meth/Water? I was trying to search around on DSMTuners, and it looked like English racing uses both. Has anybody here used them in conjunction with good results/dyno numbers, etc? Basically, I am trying to find out if this a decent way to move the knock threshold even higher than with just e85 alone.

Also, who runs E98? Does anyone have comparison logs/dyno numbers from going to E85 to E98? What is the octane of E98? I keep hearing conflicting numbers ranging from 105-120, but I am looking for the (R+M)/2 octane rating of E98.

E98 seems like a great option, but obviously it is a little bit more difficult to get ahold compared to E85 at the pump. I figured maybe E85 + meth/water injection could get me somewhat closer to E98 knock resistance levels, and meth/water is much easier for me to get ahold of.

Anybody experimented with other additives in fuel, like toluene?

Any other random comments about raising octane would be great
 
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