Quote:
Originally Posted by freebeard
Maybe someone else has the relevant chart, but it turns out the most aerodynamic is a half tonneau (the back half) with a partition in the bed. Sort of box in the back half (lockable storage?) and leave the front half open. The air spills over the back of the roof and pushes on the back of the cab.
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Gale Banks has used this on some of his trucks which have set some land speed records.
