"Mr. 4 Speed" Documentary Clip - Herb McCandless' 1972 Sox & Martin Dodge Demon Pro Stock Race Hemi

In this clip from the "Mr. 4 Speed" documentary, Hall of Fame drag racer Herb McCandless discusses the modifications made to his 1972 Sox & Martin Dodge Demon. During the 1972 season, Herb raced for the United States Racing Team.