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Old 03-29-2012, 02:10 PM   #9 (permalink)
Sven7
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Join Date: Aug 2011
Location: Warren, MI
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Boo Radley - '65 Ford F100
90 day: 13.28 mpg (US)
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Exactly! Treat your car as the wind sees it. If you have a Kammback right now, make a diffuser as if it's a wagon.

The problem with just blocking from the rear axle to the bumper is that the angle of those parts may be 10* or so, playing havoc with any body form.
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