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					Originally Posted by  AZCanna
					 
				 
				No BP...Although there are plenty of places to get 93 Octane back in NY where I grew up, everything out here in AZ that I've seen has been maxed at 91. 
 
I'm neither a chemist or a mechanic, but my understanding from the earlier posts is that the E100 is 100% ethanol and not 100 octane. 2gal of 100 octane with 10gal of 91 would level out to 92.5 judge for yourself if its necessary...Putting 100% ethanol into an engine not built for it is just wrong for too many reasons to list. 
 
I think I'm up to speed now, but feel free to correct me if Im wrong. 
			
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I don't see how you can sell100% ethanol for $7.oo a gallon.