06-11-2013, 12:36 PM
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#7
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SEMIJim is currently offline
Status: Admiral
Join Date: Jun 2009
Location: S.E. Michigan, USA
My Year: 1994
My Model: 182 Barchetta
My Engine: 4.3L Alpha 1 Gen. 2
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Thanked 29 Times in 26 Posts
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Re: water separator and fuel filter
There's only so much a fuel/water separator can do. If the gasoline has phase-separated, it needs to be pumped-out and discarded. There's no way to get what was an ethanol blend to re-blend after it has phase-separated. A common fuel filter won't help at all.
Undetected phase separation is the biggest danger. Imagine your engine running along at speed and all-of-a-sudden its fuel supply is replaced by water. Bye-bye engine.
From Three Myths About Ethanol
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Question: Since E-10 attracts water, is it important to install a water separator to prevent the water reaching the engine?
Answer: Unlike regular gasoline, which can absorb almost no moisture, E-10 can hold up to ½ percent of water by volume, and the water molecules will dissolve in the fuel. The solubilized water will bypass the water separator and burn harmlessly through the engine. Only if phase separation were to occur would a water separator do its job, but by then the fuel itself would be the problem. Phase-separated gasoline consists of a water/ethanol mixture on the bottom of the tank and reduced-octane gasoline at the top, either of which will damage your engine
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From E-10 in Winter: Recommendations on Storing Ethanol-Enhanced Gasoline
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There is no quick fix. When MTBE becomes saturated with water, it remains chemically bonded to the gasoline—MTBE doesn’t phase separate—and a water separator can eliminate the excess moisture. With ethanol-enhanced gasoline, however, once phase separation occurs, additives and water separators can’t help; the only remedy is to have gasoline/ethanol/water pumped from the tank.
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The fuel in Shazaam! is on its third season. I no longer trust it. So I'm going to buy a high-performance electric fuel pump, hook it to the fuel line, and pump it all out into cans. As long as it keeps looking good, it'll go into the cars. Then I'll refuel the boat from scratch.
If I run into water, I'll pump it out and pay to dispose of it.
Ethanol is one of the biggest scams ever to have been perpetrated on the consumer, and this time with government help.
Jim
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