Wheel wells
I drive a truck, and the rear wheel wells are fairly cavernous, check out the garage for vehicle details. I'm sure they serve as some form of drag.
So, short of putting larger rubber to fill the hole or skirts to close off the area completely, can I put a small (3/4" or so, larger or smaller) protruding "flap" or "diverter" mounted on the (inside) leading edge of the wheel well to deflect the air flow away from the wheel well?
Could they work on the front, or will being so close to the leading edge of the vehicle capture them in a "void" area, rendering them useless?
Will that help or create more problems? If it can help, how measurable will it be? How to measure or prove it?
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