Quote:
Originally Posted by ausias
I remember reading an investigation of how to improve aerodynamics in short cars. And the exemple was a Smart, but I did not find the report now. They assessed that covereing the rear wheels was worse than keeping clear and some other thing in a wind tunnel.
I'm sorry because I can't help more
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I tried making some wheel skirts for mine out of duct tape and cardboard and noticed no improvement over the oversize tires and pizza pan wheel covers. The 185/65 15 tires are the largest tires that will work on the rears and 185/60 15's on the front work at filling the wheelwells with minimum rubbing and not being too wide. The taller tires make the odometer about 6% to 8% off but definitely help mileage.
Chumly