ARCA Driver Thad Moffitt is a 4th-generation race driver and the grandson of “The King” Richard Petty. The headline, though, might be that he’s only 17! And he’s already been a champion in 2016 in the Southeast Limited Late Model Series. But in his family tree championships fall everywhere. Grandpa Richard has seven of ’em to go along with 200 event wins. Does that help Thad? Listen…