Charlotte Motor Speedway NASCAR Generation Six Tuesday Morning Test Speeds Rya Test Speeds Charlotte, Charlotte Motor Speedway, Drivers who tested at Charlotte, Gen6, Gen6 Test Speeds, Generation 6, Generation 6 Test Speeds, Generation Six, Generation Six Testing, lowes motor speedway, NASCAR, NASCAR off-season testing, Racing, Testing Speeds Speed Rank Driver Laps Run Best Lap 1 Jeff Burton 34 190.833 More