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Re: Now I am getting confused....about ethanol
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Posted by JT on April 17, 2006 at 10:51:25 from (70.226.211.118):
In Reply to: Re: Now I am getting confused....about ethanol posted by dej(JED) on April 17, 2006 at 10:20:31:
Yes 10% ethanol will hurt things. First, all the rubber parts in a carb of an old tractor or lawn mower is not deigned to be used with ethanol. The ethanol will dry the oil out of the rubber and make it hard and unusable. Second, ethnaol attracts water and in a carburated system, the water cannot get through the passages in a naturally aspirated engine, then engine will not run or will run hotter under load. A lot of stabilizers will have a chemical reaction with ethanol. If you put 10% ethanol in a chain saw or string trimmer, then the problems with snoball from there, the rubber fuel lines dry out and crack and break, the diaphrams in the carb will dry out and then will not pump fuel. The last but not least, ethanol is a a solvent, if you put a solvent in oil, it will wash away the oil and in theory you will be running an engine with insufficient amount of upper cylinder lubrication. The reason it does it in small engines is because almost all little engines and tractors run in an overfueled condition, and with the extra gas, with ethanol in it, will wash the oil off the cylinders of your engine and cause premature engine fialure from insufficient lubrication. It works in cars and truck because they are mostly injected and they run by computor and the computor keeps the engine from overfueling by having a stoick fuel air mixture.
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