Daytona International Speedway

f7e423c752b868074c0f6a706700c1f9.jpg

Austin Dillon (3) and Greg Biffle (16) lead the field at the start of the first of two NASCAR Sprint Cup series qualifying auto races at Daytona International Speedway in Daytona Beach, Fla., Thursday, Feb. 20, 2014. (AP Photo/Terry Renna)

289bd17852b368074c0f6a706700d11e.jpg

Austin Dillon, left, and Greg Biffle, right, lead the field at the start of the first of two NASCAR Sprint Cup Series qualifying auto races at Daytona International Speedway in Daytona Beach, Fla., Thursday, Feb. 20, 2014. (AP Photo/David Graham)

25703c762e8450074c0f6a706700162b.jpg

Kasey Kahne, Bobby Labonte, Justin Allgaier, and David Ragan, from left, drive along the front stretch during an evening practice for the Daytona 500 NASCAR Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Wednesday, Feb. 19, 2014. (AP Photo/John Raoux)

2c02b4a32e8650074c0f6a7067001c6e.jpg

Dale Earnhardt Jr., bottom front, and Tony Stewart, top front, lead a group of cars down the front stretch during an evening practice for the Daytona 500 NASCAR Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Wednesday, Feb. 19, 2014. (AP Photo/John Raoux)

86a6d9942e9750074c0f6a706700f22a.jpg

Austin Dillon climbs into his car before practice for Sunday's NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Wednesday, Feb. 19, 2014. (AP Photo/Terry Renna)

0b111f880f644f074c0f6a7067003f97.jpg

Danica Patrick prepares to climb into her car for practice for Sunday's NASCAR Daytona 500 Sprint Cup series auto race at Daytona International Speedway in Daytona Beach, Fla., Wednesday, Feb. 19, 2014. (AP Photo/John Raoux)

c6b592f22e8b50074c0f6a70670093a7.jpg

Jimmie Johnson drives through the front stretch during evening practice for the Daytona 500 NASCAR Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Wednesday, Feb. 19, 2014. (AP Photo/John Raoux)

b6b59d710f644f074c0f6a7067008397.jpg

Dale Earnahrdt Jr. watches from the top of his transporter during practice for Sunday's NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Wednesday, Feb. 19, 2014. (AP Photo/Terry Renna)