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Old 11-04-2013, 08:33 AM   #5
jim
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Join Date: Jul 2010
Location: Lake Charles, La. and Oak Grove, La.
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i know these are old post but...cleaning up of gasoline (and diesel) has a lot to do with it too. less deposits and acids in the oil, mufflers last longer than 2 yrs. there is no question that the engines have been improved as well.
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