Let's start by dispelling one myth: there is no such thing as "pure" gasoline. Gasoline is a mixture of a dozen or more compounds and is formulated to have certain properties including octane and vapor pressure. When ethanol is added to gasoline, it contributes to those properties, which means the composition of the rest of the fuel is adjusted accordingly. When you remove the ethanol, you're affecting the properties of your fuel. Bottom line: don't expect your alcohol-free gasoline to have the same octane or Reid Vapor Pressure as the gas you started out with. And don't expect it to burn as clean as the original E10.
Let's not forget you're spending a lot of time to reduce the volume of your fuel by 10 percent, which makes your fuel much more expensive. (Assuming you value your time.) It would be cheaper and easier to buy 100LL avgas at your local airport.
I'm no fan of gasohol; I think it's environmentally and economically unsound to convert grain into fuel. But I also think it's gotten a bad rap; most gasoline sold in the US for the past twenty years has had ethanol in it, yet documented cases where ethanol caused fuel system problems are relatively rare. I have about sixteen gasoline engines at my place (counting cars, tractors, generators, mowers and other power equipment), yet I haven't experienced any problems I could definitely attribute to ethanol.
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Today's Featured Article - 12-Volt Conversions for 4-Cylinder Ford 2000 & 4000 Tractors - by Tommy Duvall. After two summers of having to park my old 1964 model 4000 gas 4 cyl. on a hill just in case the 6 volt system, for whatever reason, would not crank her, I decided to try the 12 volt conversion. After some research of convert or not, I decided to go ahead, the main reason being that this tractor was a working tractor, not a show tractor (yet). I did keep everything I replaced for the day I do want to restore her to showroom condition.
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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