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rotorwrench · 11-26-2014, 02:44 PM

I've noticed a lot of folks state no problems for quite a sum of years. Ethanol mix fuel was in it's infancy in the USA around 15 years ago and has evolved a fair amount since that time. What was good 20 or 30 years ago is not as good now. If you park your car in a climate controled garage, you likely wouldn't have much to worry about over a period of 3-months or so but if you leave it in increasingly noncontroled areas then you have more and more to worry about. It doesn't take much temperature differential to get condensation to form. Condensed H2O is your enemy if you have E10 or greater % ethanol mix fuel. If they keep adding more then things are just going to ge worse.

11-26-2014, 02:44 PM	#11
rotorwrench Senior Member Join Date: Jun 2010 Location: San Antonio, Texas Posts: 16,440	Re: Winterizing the roadster I've noticed a lot of folks state no problems for quite a sum of years. Ethanol mix fuel was in it's infancy in the USA around 15 years ago and has evolved a fair amount since that time. What was good 20 or 30 years ago is not as good now. If you park your car in a climate controled garage, you likely wouldn't have much to worry about over a period of 3-months or so but if you leave it in increasingly noncontroled areas then you have more and more to worry about. It doesn't take much temperature differential to get condensation to form. Condensed H2O is your enemy if you have E10 or greater % ethanol mix fuel. If they keep adding more then things are just going to ge worse.