Running laps around Charlotte ahead of the #CocaCola600. The Seven-Post shakes a car as it runs virtual laps around a track to test different components to improve performance. All of the characteristics of a particular track are replicated by wheel force testing data to generate specific setups that cater to car and driver requirements. #NASCAR #racing #motorsport #stewarthaasracing #engineering #racecar #charlotte #testing #howitworks #motorsports