Storylines for this week’s key events at Daytona International Speedway, leading up to the Daytona 500 on Feb. 22:
NASCAR’s new electronic pit road monitoring system is in place for the first time in Thursday night’s Gatorade Duel qualifying races.
Before Chase Elliott replaces Jeff Gordon in the Sprint Cup Series in 2016, he looks to repeat as champion of the Xfinity Series, starting at Daytona.
Kevin Harvick wants another Sprint Cup title. Dale Earnhardt Jr. is still searching for his first. And Jimmie Johnson wants a seventh. The quest begins.