Thread: Newbie needing how-to help
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Old Oct 18, 2009 | 02:14 PM
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user 739729
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From: Fort Worth, TX
Default Re: Newbie needing how-to help
Our premium is mostly 91 here as well. If I do find a 92 or 93, isn't it hard on the engine to go up to a higher octane and then back down to 91?
 
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