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Old 06-02-2009, 10:15 AM   #28 (permalink)
stevey_frac
EcoModding Apprentice
 
Join Date: Jun 2008
Location: Cambridge, ON
Posts: 240

Jalilah - '07 Chevrolet Cobalt LT
90 day: 40.57 mpg (US)
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Quote:
Originally Posted by winkosmosis View Post
I think the lips along the sides are pinch seams, which would mean they're part of the structure of the car. If you drill holes in them, you might weaken then, and there's also the risk of rust.

Yes, i've since backed off the idea of the side skirts. I don't think there would be any noticeable gain unless i used them to divert air from the rear tires.
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