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<HTML><FONT SIZE=2>For those interested in using Auto Gas -- Gas bought from Automotive Gas <BR>Stations.
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<BR>Make sure you consider the following when making those cross-the-country <BR>trips:
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<BR>1) Here in the Middle West most every pump, regardless of grade, is placarded <BR>with the following note -- May contain up to 10% Ethanol. I understand that <BR>some fuel tank sealants and certain rubber gaskets or o-rings are "eaten" by <BR>long term exposure to this additive.
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<BR>2) Certain "Big Cities" (i.e. Chicago) and their metropolitan areas are under <BR>an EPA mandate to utilize another additive (MTBE?, I don't remember....) to <BR>ensure cleaner emissions. You may remember that Chicago had a gas shortage <BR>last Spring because of the switch over and a broken pipeline. I have no idea <BR>what effect such compounded fuel has when used in the aviation environment.
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<BR>I am sure someone out there can clarify the implications of these additives. <BR>I have not been paying attention to them because I no longer use Auto Gas <BR>since I have sold my Challenger II equipped with a 2-cycle Rotax 503 DCDI. I <BR>remember that Rotax didn't want any "alcohols" (i.e. Ethanol) in the fuel.
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<BR>Scott Krueger
<BR>N92EX, Still burning and churning with 100LL.
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