Quote:
Originally Posted by aerohead
Beg,borrow,or s---- a couple of matching tennis racquets.Cover one with window screen.Then get a buddy to drive you down the 101,405, or the like at speeds you drive,hold both out the passenger window and see what you think.
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Not quite sure what this proves... of course the screen in the breeze will have more drag... but if that screen in the breeze is at the entrance of an aero-dirty engine compartment, and it induces more of the flow to go around rather than through said compartment, then overall drag is reduced, like some point between no grille block and total grille block.