However, I think the problem probably allready solved itself. Most of the 11.2:1 motors have allready burned themselves up. Anything over 9.0:1 requires a special cam designed by someone who knows about overlap, in order to work with the compression and deal with the detonation problem. The worse the gas, the worse the potential problem. In this day and age, high compression is more of a liability unless you have a computer and fuel injection, perhaps variable camshafts.
I don't think the quality of gas is going to get any better during the next 5 to 10 years.
Tom
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