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Old 05-15-2009, 04:45 PM   #29
rforbes

 
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Drives: IOM SS/RS
Join Date: Mar 2009
Location: The Colony, Texas
Posts: 797
Are you running premium or regular? My dealer told me it would not hurt to run regular in the SS, but I do not know why anyone would do that. I believe Premium increases the mileage a bit, and obviously better performance.
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