Click on EGs ad. Go to his site. Read RRs input on basic fuel theory.
I didn't state an opinion. It's a fact.
'My bike runs better, cleaner and cooler with race gas...' That being so, is a perfect example of what I said. Although, please do consider the 'better...cooler' part. Heat is power. All other things being equal, a reduction in heat production does not equate to a good thing.
Another opinion.
In the end, whatever suits you should tickle everyone else. (Doesn't necessarily have to have anything to do with facts. Pesky little buggers anyway!!)