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Old 03-27-2008, 02:26 AM   #3
Benny986
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Join Date: Jun 2007
Location: Bay Area, CA
Posts: 119
yup all of what he said : )

plus, the factory tune is for smooth driving, where a new tune would be for power, which may or may not be the smoothest power curve.

also, the new tune can factor in different fuel, 93, 100 octane, etc.
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