He achieved considerable success in Formula 5000 racing, winning the Tasman Series each year from 1971 to 1973, and also the 1972 L&M Continental 5000 Championship in the United States.
Conseguiu un éxito considerable na serie de Fórmula 5000, gañando a Tasman Series cada ano entre 1971 e 1973, e tamén o 1972 L & M Continental 5000 Championship nos Estados Unidos.