Ethanol-free gas in Chesapeake? - Page 2 - SailNet Community
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post #11 of 29 Old 10-19-2010
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You can also find ethanol free marinas with real-time fuel prices on MarineFuel com. They have the most comprehensive marina directory in the United States and Caribbean.
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post #12 of 29 Old 10-19-2010
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One more thing to remember about aviation fuel is it is leaded 100 octane. You really need to be sure your engine can run on this with out causing any damage. Very few airplane engines run on auto fuel (80 octane).

Aviation fuel prices are at least double, if not more, the price of marina prices.
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post #13 of 29 Old 10-26-2011
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Here's another link to more stations/marinas that might still sell zero E gas. Ethanol-free gas stations in the U.S. and Canada
Does anyone know how to test for pure gas?
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post #14 of 29 Old 10-26-2011
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Simple, really...

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Originally Posted by partgypsy View Post
Here's another link to more stations/marinas that might still sell zero E gas. Ethanol-free gas stations in the U.S. and Canada
Does anyone know how to test for pure gas?
Place 90 ml in a 100 ml graduate. Add 10ml water. If more than 10 ml drop out, the balance is ethanol. The ethanol trade association had this on their web site, but removed the page (dead link). This is basically what the cheap test kits do, and it is accurate enough for this purpose.

(when asked how he reached the starting holds on a difficult rock climbing problem that clearly favored taller climbers - he was perhaps 5'5")

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post #15 of 29 Old 10-26-2011
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Google buyyl cellosolve.
I add 1/2 pint of that, and an equal amount of VMP naphtha to 6 gallons and never have a problem.
Why?
Because the butyl scrounges water, and the VMP is a powerful solvent that dissolves sludge before it gets a chance to form.
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post #16 of 29 Old 10-26-2011
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Google buyyl cellosolve.
I add 1/2 pint of that, and an equal amount of VMP naphtha to 6 gallons and never have a problem.
Why?
Because the butyl scrounges water, and the VMP is a powerful solvent that dissolves sludge before it gets a chance to form.
Dick
Do you know what elastomers are used in carbs and fuel systems? Butyl, at those levels, is not long-term compatible with neoprene, nitrile, or silicone, in my expereince. I would be concerned about fuel pump diaphragms and hoses.

Elastomers Compatibility Chart, Chemicals beginning with C, like Cadmium Cyanide

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post #17 of 29 Old 10-27-2011
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What would be really nice is something that would remove the alcohol and water and return the fuel to pure gasoline.
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post #18 of 29 Old 10-27-2011
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What would be really nice is something that would remove the alcohol and water and return the fuel to pure gasoline.
Google. But it would be better to search "prevent phase separation."
http://www.epa.gov/oms/regs/fuels/rfg/waterphs.pdf

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post #19 of 29 Old 10-27-2011
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We had to rebuild the carburator on our outboard three times last year, due to ethanol in the fuel. The last place we saw no-ethanol gas for the dinghy was Deltaville Marina in VA. If we drive from Annapolis to Deltaville or somewhere else outside of EPAs clean air zone around MD-VA-DC (3-4 hours each way) and fill a gas tank, stay overnight in a motel and drive back next day, we STILL save money compared to the cost of a rebuild!!!

I found this list of ethanol-free marinas for anyone else in the same circumstances: Ethanol Project | Chesapeake Bay Magazine
You had to rebuild the carb 3 times. You've no evidence that it was due to ethanol. Let me go further - it wasn't. The main issue with ethanol is that the fuel can attract water long term. Easily fixed with a dash of Stabil.

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post #20 of 29 Old 10-27-2011
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You had to rebuild the car 3 times. You've no evidence that it was due to ethanol. Let me go further - it wasn't. The main issue with ethanol is that the fuel can attract water long term. Easily fixed with a dash of Stabil.
I think there is evidence that ethanol does indeed breakdown the resins in fiberglass fuel tanks, but that's another issue.

Also, Stabil will not change the nature of ethanol. The water will still be in your fuel. If anything Stabil will just cause the water to stay in suspension longer, so its more likely to go through the engine and out as water vapor.

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