December 12 2012 Charlotte Motor Speedway NASCAR Generation Six Car Wednesday Morning Test Speeds Ryan Rantz Test Speeds Best Lap Speeds, Charlotte Lap Speeds Testing, Charlotte Motor Speedway, Charlotte Testing, Gen6, Generation 6, Generation Six, Generation Six Car Testing, Lowes Testing, new car test speeds, Off Season, Who tested the new car Speed Rank Driver Laps Run Best Speed 1 Kasey Kahne 51 193.771 More