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Originally Posted by MikeinLA
I don't think I've run into higher than 91 octane. Is there a station that routinely sells 93 octane as their premium? I ran into 100 octane racecar gas once, but it was 5 bucks a gallon. Ouch!
Mike
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come to east coast and see 93s. well, i think it all depends on which state you are in but in VA/DC/MD you have choice of 87, 89, or 93 and no option for 91. i think i saw 91 in Ontario and NJ.
i think i read somewhere that there are 2 methods of calculating the octane rating. maybe 91 served in CA is same as 93 served in DC area?