Dr Michael Lange at a Performance Driving Group Track Day at Sebring International Raceway. In the am Dr Lange drove an LMP3 Prototype for 3 sessions. This car has some amazing handling and speed and Dr Lange was able to keep it out in front with some of the days fastest lap times. In the afternoon Dr Lange drove the Fortifeye Viper ACR extreme with some low 2:13 lap times. These times were also some of the best lap times of the day .