Thread: 93 Octane
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Old 08-27-2013, 11:29 AM
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Clarkgriswald Clarkgriswald is offline
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Default 93 Octane

I put a tank in because it was a good deal at Costco. My mileage dropped over 2 mpg. Can't wait to go back to midgrade (89). I called the dealership to ask if it was okay and they wouldn't recommend putting in 93 because the motor is not designed to burn that hot of gas. Now I know.
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