A former IMCA sprint-car champ, he died of cancer. Also well known as a gear specialist, who developed a turbo-charged car for Herb Porter. Bobby's gather owned a car dealership and his son learnt to drive cars at a very early age as a result. After serving in World War 2, Grim became an immensely successful sprint car driver, with over 175 wins. After racing, Grim worked as a USAC official. Grim married Frankie Lueptow's widow, and his step-daughter was married to Sheldon Kinser.

Biography last updated 28 Jul 2015