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Question about ethanol gas in two stroke...
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[QUOTE="jaguar, post: 1468299, member: 19340"] from [URL='http://www.fuel-testers.com/gasoline_octane_and_ethanol_E10.html']Gasoline Octane and E10 Ethanol Blend Fuels[/URL] "When E10 gas phase-separates (high octane ethanol drops to the bottom of the tank with water), the upper tank layer octane typically drops 2.5 points. E.G. 87 octane gas purchased now becomes sub-octane 84.5 gasoline. Testing a fuel sample from tank bottom for alcohol percent will confirm gas contaminated with water, and is not safe for use. After phase-separation upper tank layer typically drops from 10% ethanol to 0-2%. Fuel that tests greater than 10% alcohol is "bad" and should not be used in conventional engines. Some motors (airplanes and certain marine engines) can NOT use fuel that contains alcohol." Funny that they say over 10% is bad because the 25% ethanol gas (from Brasil) is almost the only type of gas available here. I think it is only OK for engines designed to use it but probably most of the vehicles here are only made to handle E10 gas. I wonder if that 80% reduction of ethanol is only for the phase separation of small amounts of water due to humidity. It's quite a different thing to vigorously mix in 25% water to bond to the alcohol.. [/QUOTE]
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Question about ethanol gas in two stroke...
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