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Originally Posted by rick3000
Using 98 octane fuel is not going to affect your engine or mileage, and if you could buy it, it would be a waste of money.
93 is slightly better than 91, but I wouldn't worry about it. I've been using 91 for the last year and it has not affected my car in anyway. I still have plenty of power, and no problems.
93 or 100 octane |
Rick,
I'm not concerned between 91 and 93. What I'm worried about is because I drive to middle of no where hill billy sometimes and they only have regular old 87. So I would like to carry a few bottles of octane boosters to bring it up to at least 91 if I do fill up with regular.