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Old 08-07-2013, 10:51 PM   #3 (permalink)
Frank Lee
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Join Date: Jan 2008
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Dave assumes that arm up is better. What if air flow is trying to go just as much off the windshield past the A-pillar as it is up to the roof?

Also you can find much- but not all- answers to things with the search function.

http://ecomodder.com/forum/showthrea...rked-7920.html
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