The crew of the DeltaWing DWC13 make adjustments during a pit stop at practice for the IMSA Series Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., Thursday, Jan. 23, 2014. (AP Photo/John Raoux)
AJ Allmendinger talks with other drivers after a practice session for the IMSA Series Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., Friday, Jan. 24, 2014.(AP Photo/John Raoux)
Drivers Scott Dixon, left of New Zealand, and Scott Pruett pose for photographers after a practice session for the IMSA Series Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., Friday, Jan. 24, 2014.(AP Photo/John Raoux)
** FILE ** This Feb. 24, 2013, file photo shows Willie Robertson, left, and Korie Robertson, of the reality TV show, "Duck Dynasty," before the Daytona 500 NASCAR Sprint Cup Series auto race, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna, File)
Ganassi Racing drivers, from left, Scott Pruett, Memo Rojas, of Mexico, and Marino Franchitti, of Scotland,practice for the IMSA Series Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., Friday, Jan. 24, 2014.(AP Photo/John Raoux)
The Michael Shank Racing Riley DP heads along the front stretch during practice for the IMSA Series Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., Friday, Jan. 24, 2014. (AP Photo/John Raoux)
Tony Kanaan, left, of Brazil, interviews Memo Rojas, center, of Mexico, and Scott Dixon, of New Zealand after a practice for the IMSA Series Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., Friday, Jan. 24, 2014. (AP Photo/John Raoux)
In this 1996 file photo, Wayne Taylor, top left, along with his two sons Jordan, lower left, 5, and Ricky,7, with co-driver Jim Pace celebrate winning the IMSA championship in Victory Lane at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Daytona Beach News-Journal, Nigel Cook)
Driver Wayne Taylor talks with others drivers before a photo session after practice for the IMSA Series Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., Friday, Jan. 24, 2014.(AP Photo/John Raoux)
Drivers Wayne Taylor, left, and Max Angelelli, of Italy, look over a smart phone after practice for the IMSA Series Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., Friday, Jan. 24, 2014.(AP Photo/John Raoux)