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Water in the Fuel

Roger Lee

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91 Oct since it often has alcohol which absorbs water. Worst case, if you pull out all the phase seperated water/ethanol (vodka) then 91 is more like 86 Oct since that is about the octane boost for a 10% ethanol mix.


So drink the vodka and add at least 30% 100LL to bring the octane back up to 91 or better.

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