 He drove in the USAC Championship Car series, racing in the 1962, 1963, 1965–1967 and 1970 seasons, with 31 career starts, including the Indianapolis 500 races in 1963 (in a John Crosthwaite designed car) and 1965 to 1967.He finished in the top ten 5 times, with his best finish in 4th position in the 1965 Indianapolis 500.He was not related to Al Miller, who raced at Indianapolis in the 1930s and 1940s.