On a typical race weekend, a Cup Series team will use between nine and 14 sets of tires depending upon the length of the race and type of track. By comparison, an average set of street tires gets repl READ MORE http://www.nascar.com/news/features/tires/index.html
NASCAR Sprint Cup racing grew from NASCAR's early "strictly stock" series. You used to be able to drive your car to the race track and race it. These days the cars are purpose-built speed machines. NA READ MORE http://nascar.about.com/od/nascar101/f/nascarracecar.htm