NASCAR has allowed changes to the right-side window in cars for the NASCAR Cup Series race at Dover Speedway to help drivers battle extreme heat conditions.
The seven-time NASCAR Cup Series champion, Jimmie Johnson, wants to bridge the gap between NASCAR and IndyCar and inspire more drivers to make the shift.
Chris Gabehart, crew chief of Denny Hamlin, says that along with fierce competition, there is a lot of respect between Hamlin's and Kevin Harvick's teams.