Next Gen testing gets underway at Phoenix, Busch spins

Phoenix is a critical track on the NASCAR calendar, playing host to the season finale where the final four drivers in the playoffs battle it out for the championship.
NASCAR will utilize a 670-horsepower package at all tracks with the exception of superspeedways and the newly reconfigured Atlanta Motor Speedway. 
The 550hp aero package was scrapped after testing at Charlotte Motor …Keep reading