Waltrip suggests cutting air dam:

Michael Waltrip believes racing would be better at all Winston Cup tracks, not just Texas, if the cars ran slower. And he’s got a radical idea about how NASCAR should move to accomplish that. “We can go in an cut the spoiler off or raise the front air dam and slow these cars down on the straightaways,” Waltrip said. “I believe that what should happen is that the front air dam should be raised 10 inches from where it is now, which is 3½ inches.( ThatsRacin.com )(3-29-2003)