Quote:
Originally Posted by mults
Honestly, I can not tell ANY difference between 91 and 93 octane as both are available here. I used to use an octane booster in my 94 Firebird Formula when I went to the drag races and I really didn't feel any difference either. I know some pumps in the area carry racing fuel (102-104 octance) but at the prices that they charge, I'll keep using my 91 or 93.
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I know what you're saying, but I'm just wondering if maybe ethanol content has to do with it, or maybe 93 gas isn't as pure as it should be?