Dale Earnhardt Jr. has been through it all at Daytona International Speedway. The 50-year-old was twice a winner in the Daytona 500, a race his father also won, but was also killed in a crash.

DAYTONA BEACH, Fla. — With a full moon overhead and the sun yet to crest the horizon, Dale Earnhardt Jr. stood near his team’s hauler Wednesday morning and watched as JR Motorsports’ first Cup car was ...