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post #23 of Old 07-12-2011
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Originally Posted by dabnis View Post

OK, half a can of gas, not sure how much ethanol is in it, the pump says it can be up to 10%, added half teaspoon of water and about half an ounce of B-12.
Upon stiring the mixture turns milky then clears, no water beading. After it sat for about an hour there was a very slight "line", no beading, in the bottom that went away with a slight stir. It would appear that with any motion at all the water has been absorbed by the B-12. The evaporation test is in progress but will take a while.

Not surprising. With e-10 at summer temperatures about 1.6 ounces of water will dissolve in 2.5 gallons, and what you describe is the way it looks. The moment you pass the threshold, ALL of the alcohol (about a quart) will come out in 10 minutes. B-12 (biodiesel) should have little effect, except that the biodiesel is less oxidativly stable than other 2-stroke oils (the biodiesel could be the problem).

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