02-06-2008, 05:04 PM
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#10 (permalink)
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Batman Junior
Join Date: Nov 2007
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Good point, Frank. Let's keep this in perspective.
I'd classify this as a "minor" aero mod, and if I had to guess would say: they probably help, but the effect will be small enough that you won't be able to discern any change above the normal variation in your fuel economy.
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