[aerohead]

Originally Posted by kach22i

Check out this thread for a similar discussion.

http://ecomodder.com/forum/showthrea...ure-33061.html

The visor helps block unwanted sun in the driver's eye.It also reduces solar gain a bit which helps on AC load.
If your determined to have one,give it some leading edge radii to help with attached flow.
Here's one in the tunnel