| Is required octane directly related to compression ratio, or are there other 
factors that figure in.  Is there a chart somewhere to give a starting point 
for determining necessary octane.  In the past, I have bought 110 octane racing 
fuel thinking that it was the smart move at the track, when I know the motor I 
had would have run just fine on pump gas.  I've read that putting in higher 
than necessary is not a permormance enhancer, just money thrown away.
 
Dick J 
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