
03-18-2008, 06:33 PM
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Senior Club Cobra Member
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Join Date: Jul 2002
Cobra Make, Engine:
Posts: 15,712
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Not Ranked
Well it's hard to say what a 5% increase means. It means a lot more to a guy getting 10 mpg than 35 mpg. You gotta do the math to calculate the break even point on the expense and THEN hope it still works to see some real world savings following that. A fascinating idea all around.
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