|August 19, 2012 - An interesting touch on the wing.|
The left end plate had this cute little Gurney flap on it. The NASCAR cars are always turning left, of course. I suspect the airflow was a bit sideways in the middle of those long corners, and the flap made everything just a tiny bit more efficient with a bit of side force. Some of the end plates available for these wings are actually little aerofoils.
The flap along the back of the wing wasn't there when I got the wing. There was a slot for it, though, and a piece of Home Depot aluminum angle slipped right in. It's locked in to place with the end plates.