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Old 05-02-2008, 11:06 PM   #53 (permalink)
basjoos
Master EcoModder
 
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Join Date: Dec 2007
Location: Upstate SC
Posts: 279

Aerocivic - '92 Civic CX
90 day: 64.7 mpg (US)
The front wheel well covers on my car are piano hinged at the top with 2 low-profile conveyer rollers that contact the side of the tires when they turn sharply. A retraction spring at each lower corner keeps the cover closed when the tires are straight. It only opens for fairly sharp turns. I've been running this setup for about 2 years.

Another approach I have seen is using a stretchy fabric to cover the wheel well with a piece of inner tube rubber sewn in the locations where the tires would rub the fabric.
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