Being that I make the spoilers, and I have a pretty reliable and consistant car/driver package (except for the occasional drama queen episodes) I have modified the size of the splitter lip to see what the effect is (also that's why one or two of them were left on the track or dragging under the car while the race progressed ) And as noted I am a fan of rules compliance, the splitter lip can't protrude past the front bumper I found that a consistant 1" lip all the way around seems to work the best. I did try a 3" lip once and it got pulled off of the car within a few laps indicating that there was a lot more downforce being generated and perhaps too much since all it will do is create drag. Keep in mind that the splitter is doing double duty (not including grass trimming) it is reducing frontal drag and increasing downforce on the front end, too much downforce may seem good for a F1 car but were talking about < 150hp in our cars. Bigger is not always better ..

This is a photo of the airdam
http://www.sbmsinc.com/photos/airdam_0.JPG

This should take you to my site
http://www.sbmsinc.com/race_shop.html

[This message has been edited by Tom Blaney (edited November 25, 2004).]

[This message has been edited by Tom Blaney (edited November 25, 2004).]