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Old 02-06-2010, 01:53 PM   #9 (permalink)
aerohead
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van boat tail

Quote:
Originally Posted by womprat View Post
Anyone tried boat tailing on a van? I don't think I've seen it yet, but a partial kammback on the top and sides might help.
18-inches of tail on a VW Transporter was good for about 4-mpg at 55-mph.
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