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Go Back   SailNet Community > General Interest Forums > Destinations > Chesapeake / Central US east coast > Chesapeake Bay
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  #11  
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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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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Last edited by nickmerc; 08-18-2011 at 06:53 AM.
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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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Old 10-26-2011
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Simple, really...

Quote:
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.
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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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Quote:
Originally Posted by Flybyknight View Post
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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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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Quote:
Originally Posted by partgypsy View Post
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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Quote:
Originally Posted by eryka View Post
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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Quote:
Originally Posted by MarkSF View Post
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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