At the beginning of a race or a restart after a caution, Nascar drivers will weave their cars side to side to clean off as much debris as possible from their tires. Also, this process will heat up the tires for a better grip.
They do this so they don't get a fuel block. Also to keep their tires clean before a restart.
To heat up the new tires for maximum traction
Nascar on Sunday.
There are no Chinese drivers currently in the Nascar Sprint Cup Series.
No, they do not need a drivers license to drive a NASCAR race car.
there have been 847 drivers in nascar
In a Nascar Cup and Nationwide Series race there are 43 drivers. In a Nascar Truck Series race there are 36 starting drivers.
To drive in the NASCAR Sprint Cup Series, you must be at least 18 years of age.
43 drivers are in one Nascar Sprint Cup Series race.
You can get information on different drivers on the nascar.com site.