The 9-inch spoiler and a 1-inch wicker bill should create a more drafting effect.
Pittsboro was set to host Jeff Gordon Day and Parade on July 9 but it will now take place on July 23.
SONOMA, Calif. (AP) - Kyle Busch's comeback from serious injuries [...]
He stopped at the flag stand to grab the checkered flag and flew it out his car window as he savored his trip around the track and into victory lane.
Gordon will drive a Corvette Z06 and took some practice laps on Wednesday.
Defending champ Jeff Gordon and reigning Sprint Cup Series champion Kevin Harvick are among the drivers expected to speak at 12 p.m.
It took him nine hours to get there Sunday at a water-logged Bristol Motor Speedway.
Now, with his spot in NASCAR's Chase for the championship virtually assured, they can work to make it better.
Johnson started near the back after failing to get in a qualifying run because of inspection issues.
NASCAR is on the defensive after 13 drivers — including four former champions — didn't even get on the track for qualifying Friday after failing to pass inspection.