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Old 08-27-2016, 02:36 PM   #3 (permalink)
aerohead
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biggest improvement

the biggest improvement would be 24" of boat tail.It couldn't just be a roof extension.It would have to extend roof,sides,and belly.
You'd be filling in the most important part of the turbulent wake,which constitutes the greatest portion of your drag.



It would be kinda like what NASA did for their van

It could be built onto a receiver-hitch-mounted cargo carrier and easily installed/removed.
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