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87 octane versus ethanol in gas
^ This is what I've read as well. Ethanol's theoretical octane number is quoted as being anywhere from 108-115, so it is used to boost the octane rating of gasoline. A lot of gasoline produced at refineries is around 84-85 octane. Ethanol is added at the local terminal when filling the delivery...- Tuebor
- Post #28
- Forum: Chainsaws!