Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Regan Smith, driver of the #88 AMP Energy/National Guard Chevrolet, stands in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Jerry Markland/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Brad Keselowski, driver of the #2 Miller Lite Dodge, stands in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Chris Graythen/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Martin Truex Jr., driver of the #56 NAPA Auto Parts Toyota, stands in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Chris Graythen/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Martin Truex Jr., driver of the #56 NAPA Auto Parts Toyota, sits in his car in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Chris Graythen/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Denny Hamlin, driver of the #11 FedEx Ground Toyota, sits in his car in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Chris Graythen/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Carl Edwards, driver of the #99 Kellogg's Ford, stands in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Jerry Markland/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: AJ Allmendinger, driver of the #51 Phoenix Construction Chevrolet, looks on in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by John Harrelson/Getty Images)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Mark Martin, driver of the #55 Aaron's Dream Machine Toyota, sits in his car in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Jerry Markland/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Denny Hamlin, driver of the #11 FedEx Ground Toyota, stands in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Chris Graythen/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Tony Stewart, driver of the #14 Mobil 1/Office Depot Chevrolet, sits in his car in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Tyler Barrick/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: , driver of the #78 Furniture Row/Farm American Chevrolet, sits in his car in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Jerry Markland/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Kurt Busch, driver of the #78 Furniture Row/Farm American Chevrolet, stands in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by John Harrelson/Getty Images)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Jimmie Johnson, driver of the #48 MyLowe's Chevrolet, climbs into his car in the garage during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Chris Graythen/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Clint Bowyer, driver of the #15 5-Hour Energy Benefiting Avon Foundation for Women Toyota, stands in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Jared C. Tilton/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Matt Kenseth, driver of the #17 Best Buy Ford, looks on in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Jerry Markland/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Kasey Kahne, driver of the #5 Time Warner Cable Chevrolet, climbs into his car in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Jared C. Tilton/Getty Images for NASCAR)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: The #88 AMP Energy/National Guard Chevrolet of Regan Smith sits in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. Smith is replacing Dale Earnhardt Jr. who will miss two races after suffering a concussion from a wreck in Talladega last week. (Photo by Streeter Lecka/Getty Images)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Regan Smith, driver of the #88 AMP Energy/National Guard Chevrolet, stands in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. Smith is replacing Dale Earnhardt Jr. who will miss two races after suffering a concussion from a wreck in Talladega last week. (Photo by Streeter Lecka/Getty Images)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Kevin Harvick, driver of the #29 Jimmy Johns Chevrolet, practices for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Kyle Busch, driver of the #18 M&M's Toyota, stands in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: AJ Allmendinger, driver of the #51 Phoenix Construction Chevrolet, sits in his car in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by John Harrelson/Getty Images)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: AJ Allmendinger, driver of the #51 Phoenix Construction Chevrolet, sits in his car in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by John Harrelson/Getty Images)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Jimmie Johnson, driver of the #48 MyLowe's Chevrolet, stands in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Matt Kenseth, driver of the #17 Best Buy Ford, stands in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Brad Keselowski, driver of the #2 Miller Lite Dodge, stands in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)

Bank of America 500 - Practice

CHARLOTTE, NC - OCTOBER 11: Kurt Busch, driver of the #78 Furniture Row/Farm American Chevrolet, talks to his crew chief Todd Berrier in the garage area during practice for the NASCAR Sprint Cup Series Bank of America 500 at Charlotte Motor Speedway on October 11, 2012 in Charlotte, North Carolina. (Photo by John Harrelson/Getty Images)