Kyle Larson (32) goes airborne and into the catch fence in a multi-car crash involving Dale Earnhardt Jr. (88), Parker Kligerman (77), Justin Allgaier (31) and Brian Scott (2) during the final lap of the NASCAR Nationwide Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)
Jimmie Johnson, left, talks with his crew chief, Chad Knaus, outside his garage after practice for the NASCAR Sprint Unlimited Shootout auto race at Daytona International Speedway, Friday, Feb. 15, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)
Jimmie Johnson, left, talks with his crew chief, Chad Knaus, outside his garage after practice for the NASCAR Sprint Unlimited Shootout auto race at Daytona International Speedway, Friday, Feb. 15, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)
Trevor Bayne (21) spins in Turn 1 as Brad Keselowski (2) hits the apron and Carl Edwards (99), Scott Speed (95), Josh Wise (35) and Austin Dillon (33) try to avoid them during the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., on Sunday, Feb. 24, 2013. (AP Photo/Phelan M. Ebenhack)
Spectators are injured after a tire and engine off Kyle Larson's car flew into the stands during a crash at the conclusion of the NASCAR Nationwide Series auto race Saturday, Feb. 23, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/David Graham)
Spectators are injured after a tire and engine off Kyle Larson's car flew into the stands during a crash at the conclusion of the NASCAR Nationwide Series auto race Saturday, Feb. 23, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/David Graham)
Kyle Larson (32) goes airborne and into the catch fence in a multi-car crash involving Dale Earnhardt Jr. (88), Parker Kligerman (77), Justin Allgaier (31) and Brian Scott (2) during the final lap of the NASCAR Nationwide Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)
Kyle Larson (32) goes airborne and into the catch fence in a multi-car crash involving Dale Earnhardt Jr. (88), Parker Kligerman (77), Justin Allgaier (31) and Brian Scott (2) during the final lap of the NASCAR Nationwide Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)
Driver Kevin Harvick celebrates in victory lane after winning the first of two 150-mile qualifying races for the NASCAR Daytona 500 auto race at Daytona International Speedway, Thursday, Feb. 21, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)
