International Speedway Corporation

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Driver Kurt Busch walks to his garage before practice for the NASCAR Sprint Unlimited auto race at Daytona International Speedway in Daytona Beach, Fla., Friday, Feb. 14, 2014. (AP Photo/Terry Renna)

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Driver Kurt Busch laughs while talking with a TV crew before an interview during NASCAR auto racing media day at Daytona International Speedway in Daytona Beach, Fla., Thursday, Feb. 13, 2014. (AP Photo/John Raoux)

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Kyle Busch removes his headgear after his qualifying run for the Daytona 500 NASCAR Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 16, 2014. (AP Photo/Terry Renna)

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Car owner and and even-time NASCAR champion Richard Petty stands outside his hauler in the garage area during qualifying for the NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 16, 2014. (AP Photo/Phelan M. Ebenhack)

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Greg Biffle climbs out of his car after qualifying for the Daytona 500 NASCAR Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 16, 2014. (AP Photo/John Raoux)

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Carl Edwards walks as his crew pushes his car back to the garage after his qualifying run for the Daytona 500 NASCAR Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 16, 2014. (AP Photo/John Raoux)

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Austin Dillon, right, holds up the pole award with car owner and grandfather Richard Childress after qualifying for the pole position in the Daytona 500 NASCAR Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 16, 2014. (AP Photo/Terry Renna)

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Martin Truex Jr. walks around his car after qualifying in the number two position for the Daytona 500 NASCAR Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 16, 2014. (AP Photo/John Raoux)

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CORRECTS NAME TO DILLON NOT DILLION Austin Dillon walks by his car in the garage area after he won the pole position during qualifying for the Daytona 500 NASCAR Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 16, 2014. (AP Photo/John Raoux)

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Daytona 500 NASCAR Sprint Cup Series auto race pole winner Austin Dillon poses by his car after his qualifying run at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 16, 2014. (AP Photo/Terry Renna)

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Track workers extinguish a fire that started in the pace car during the NASCAR Sprint Unlimited auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Jim Topper)

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Drivers Ricky Stenhouse Jr., left, and Danica Patrick get together on pit road before the NASCAR Sprint Unlimited auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/John Raoux)

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Kyle Busch (18) loses control of his car between Turns 3 and Turn 4 as Brad Keselowski (2), Jamie McMurray (1), Ryan Newman (31) and Denny Hamlin (11) drive by during the NASCAR Sprint Unlimited auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Phelan M. Ebenhack)