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Old 09-26-2010, 07:29 PM   #20 (permalink)
ShadeTreeMech
Basjoos Wannabe
 
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Join Date: Apr 2009
Location: Arkansas
Posts: 870

The Van - '97 Mercury Villager gs
90 day: 19.8 mpg (US)

Lyle the Kindly Viking - '99 Volvo V70
90 day: 25.82 mpg (US)
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dirt roads are evocative of rally cars.

rally cars go very fast down dirt roads and are fast for their size.

yet I've never seen one with an air dam; they all have an underbelly pan.

Is the underbelly pan more likely the best option?

And the bristles may help up to a certain speed, but at the speed they're really needed (ie highway speeds) they're liable to fold shop and threaten to catch fire on the exhaust piping.

BTW thanks for the good laughs, I'm still wiping tears from my eyes by laughing so hard!
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Quote:
Originally Posted by jamesqf View Post
I think you missed the point I was trying to make, which is that it's not rational to do either speed or fuel economy mods for economic reasons. You do it as a form of recreation, for the fun and for the challenge.
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