Quote:
Originally Posted by Jonathanlim
I'm on oft. I usually pump 93 and run 91 map.
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As others have said, running a higher octane fuel on a map set up for lower octane fuel isn't going to cause a problem. Obviously you won't be getting the most out of the car; however, it certainly won't damage the engine. Depending on the general quality of gas where you drive, where you purchase fuel, and how closely the fuel quality regulations are followed in your area, running the 91 map might actually be the optimal choice...