ethanol is no more corrosive then gas..ethanol is sucks in water..it is the water that corrosive..
http://www.change2e85.com/servlet/Page?template=Myths
http://www.raceone85.com/
http://www.whiteracing.com/e85.htm
http://www.e85carbs.com/?gclid=CMG886D9ja8CFcVgTAodGn01GA
a lot of info out...