Ralph Liguori... Born ... NASCAR Grand National, USAC Midget, Sprint, Silver Crown & Indy Car driver from the 1950s, 60s and 70s. He competed in the USAC Championship Car series from 1957 to 1971 making 61 starts. His best finish was 2nd place at the Indiana State Fairgrounds Speedway in 1970. 1966 was his most active year, when he made 7 starts and finished 28th in the National Championship. He attempted the Indianapolis 500 six times (1959, 1962, 1963, 1964, 1967, and 1968) but he failed to make the field each time. Liguori continued racing well into his 70s and won a minor race in 2000 at 73 years old.