NetHeads,

For those who'd rather burn ethanol-free fuel, there's a website that lists 
most known vendors in the US and Canada at http://www.pure-gas.org/ .  They 
also have free iPhone and Android apps that will guide you to a nearby station, 
along with pertinent info such as octane ratings.  It is regularly updated by 
folks like you and me through the web page.  I think this has been posted 
before, so this may be just a reminder.  I bought some today for the lawnmowers 
and the generator, and two more stations popped up near the airport and near 
where I work.

Be advised that auto fuel is more prone to vapor lock, especially under hot 
conditions, but ethanol-laced auto fuel is even worse.  Ethanol (and even auto 
fuel, depending on what's in it) is famous for dissolving composite fuel tanks 
and various "rubber" parts in fuel systems, but I've run a lot of it through my 
vinylester tank and Ellison carb with no detrimental effects.  Car fuel burns 
cleaner in my Corvair powered plane than 100LL, which deposits lead in the 
combustion chambers and on the valves.  I prefer it over 100LL, but only use 93 
octane due to the compression of my engine. 

I have a small piece of N891JF's vinylester tank soaking in ethanol-free auto 
fuel now, but will continue to run 100LL in it until I'm convinced it won't be 
an issue.  I'm still nowhere near flying, but am hoping to fly it to the 
Gathering...

Mark Langford
ML at N56ML.com
website at http://www.N56ML.com 
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