Article Photos: Earnhardt Jr. gives 2013 car solid review at test

Brad Keselowski checks his phone as he sits in his car as the crew works on it during testing for the NASCAR Sprint Cup auto racing series at Charlotte Motor Speedway in Concord, N.C., Tuesday, Dec. 11, 2012. (AP Photo/Chuck Burton)

Brad Keselowski checks his phone as he sits in his car as the crew works on it during testing for the NASCAR Sprint Cup auto racing series at Charlotte Motor Speedway in Concord, N.C., Tuesday, Dec. 11, 2012. (AP Photo/Chuck Burton)