Thread: Running 87 Octane when 93 Octane is specified
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Old 09-14-2008, 07:03 PM
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Hatterasguy Hatterasguy is offline
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Join Date: Nov 2002
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The computer will sense the knock and retard your spark, so you won't hurt anything. You will lose some power, and mileage.


But its false economy, and really if you are looking to buy a Mercedes and the extra $3 a tank matters...
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