Quote:
Originally Posted by Frank Lee
Your window cleaning airfoil might have negated any aero benefit.
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huh? I saw no difference with the camper shell or without. by adding the airfoil my mileage went up. that's why I was thinking about a kammback type of foil to see if it would be better. also thinking about something on the sides to spill more air behind the truck. am I mis-interpreting what you're saying?