we will talk live to analyst dale earnhardt jr. in a moment.eed. daring passes. big crashes. that's why nascar is one of the most watched sports in the country. >> start your engines! >> tomorrow, the sound of roaring engines is music to fans ears at the ally 400 in nashville. the last year's race was a high flying success. with kyle larson speeding his way to victory. this year, the defending champion faces 35 other drivers on the largest concrete track. drivers typically average top speed of around 200 miles per hour in the straightaway. putting their lives on the line. among the biggest names set to compete tomorrow, chase elliott and joey logano. it is anyone's race as they bring home the trophy which, of course, is a custom guitar. >> we want to bring in nbc sports nascar and list and hall of famer dale earnhardt jr. he is at the finish line at nashville superspeedway. dale, it is good to talk to you. how are you? >> doing great. sun rising over the back of the speedway. it is about 75 degrees. right around race time, it will be 93 degrees