Thread: Will 91 octane make a car get better gas mileage?
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Scott Douglas Scott Douglas is offline
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Join Date: Jul 2002
Location: Orange County
Posts: 7,559
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Guess we'll just have to wait for the OP to come back and tell us what year car he has.
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Scott
'78 SC mit Sportomatic - Sold
Old 05-20-2018, 06:37 PM
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