NASCAR driver Dale Earnhardt Jr. after his qualifying run for the Daytona 500 auto race at Daytona International Speedway, Sunday, Feb. 13, 2011, in Daytona Beach, Fla. (AP Photo/Terry Renna)
FILE - In this Feb. 11, 2010 file photo, driver Danica Patrick stands by her car during the NASCAR Nationwide Series auto racing practice at Daytona International Speedway in Daytona Beach, Fla. Her second NASCAR season about to begin, the IndyCar star is much more comfortable and expecting more than a bunch of back-of-the-pack finishes. (AP Photo/Reinhold Matay, File)
NASCAR team owner Rick Hendrick listens to questions during a media tour in Concord, N.C., Wednesday, Jan. 26, 2011. (AP Photo/Mike McCarn)
NASCAR driver JImmie Johnson celebrates after winning his fifth Sprint Cup Series Championship Sunday, Nov. 21, 2010 in Homestead, Fla.(AP Photo/Terry Renna)
NASCAR driver Jimmie Johnson's pit crew work on the car during a pit stop at the Ford 400 auto race, Sunday Nov. 21, 2010 in Homestead, Fla. (AP Photo/Terry Renna)
ASSOCIATED PRESS NASCAR driver Jimmie Johnson leaves the pits during the Ford 400 auto race Sunday Nov. 21, 2010 in Homestead, Fla.
NASCAR chairman Brian France gestures as he speaks during a news conference, Friday, Nov. 19, 2010, at Homestead-Miami Speedway in Homestead, Fla. France is still considering changes to its title format even though it's at the end of the closest championship race in seven years. (AP Photo/Wilfredo Lee)
FILE - From left are 2010, file photos showing NASCAR's three title contenders from left, Kevin Harvick, Jimmie Johnson and Denny Hamlin. The season finale is Sunday, Nov. 21 at Homestead-Miami Speedway. (AP Photo/File)
Driver Jimmie Johnson waits for his crew to finish his car during practice for Sunday's NASCAR Sprint Cup auto race at the Martinsville Speedway in Martinsville, Va., Friday, April 1, 2011. (AP Photo/Steve Helber)
