NASCAR NEXTEL Cup Series drivers Kevin Harvick, Casey Mears, Scott Riggs and Jeremy Mayfield participated in the first of a two-day tire test today at Atlanta Motor Speedway. Teams tested both the Car of Tomorrow and the current model stock car during the eight-hour test.

"It is good to get out here on the track today," Riggs said. "It's nice to see how the current car and the Car of Tomorrow will handle at AMS and it will let us know what we can expect this October and next March."

Goodyear tested their tires for wear, heat, grip level and load today. Casey Mears topped the unofficial speed charts with a lap of 183.637 mph (30.19 seconds) in his No. 25 Chevrolet followed by Scott Riggs driving the No. 9 car, Kevin Harvick and Jeremy Mayfield.

"The Car of Tomorrow is a half-second slower than the other cars, but that should make more exciting racing here," Kevin Harvick said. "The COT didn't drive bad at all and fans are going to have to come out here in March and see these new cars for themselves at AMS." 

NASCAR's elite drivers will attempt to tame the blistering speeds of Atlanta Motor Speedway during the Oct. 28 Pep Boys Auto 500. Great seats are still available and can obtained by calling (877) 9-AMS-TIX or by visiting