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Old 10-23-2013, 06:32 PM   #6 (permalink)
aerohead
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covers

If you compare the M-B covers to those of the 1991 100-mpg GM Ultralite,you get a fairly good balance of aero and brake cooling (panic stops,downhill mountain grades ).
Until the wheels are completely enclosed you're going to suffer some degradation anyway,so there's probably a bit of margin with respect to 'best' design.
AeroCivic is the way to go.
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