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Old 03-28-2013, 07:54 AM   #22
Keith Seymore
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Join Date: May 2009
Location: Motor City
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Re: 20 mpg hijack thread

Quote:
Originally Posted by bammax View Post
Another thing that helps is to put skid plates under the truck. Any time you can cover a rough surface like a transfer case or a transmission with a smooth plate it helps. The more the air can slide along the surface the less resistance it will impart on the vehicle. Some people in the racing world will actually put sheet metal across the entire underside of their vehicles to provide the least wind resistance. From underneath it looks like someone unrolled a 20' roll of aluminum and screwed it to the bottom of the framerails.
The 2011/2012 Chevy Volt has aeropanels to smooth the underside of the vehicle.

Cd = .284

K
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