Gerhardt
| Team | Racing Class | Model | Startdate | Enddate |
|---|---|---|---|---|
| Privateer - United States of America | Champ Car | 07-04-1974 | 09-03-1975 | |
| Lloyd Gifford | Champ Car | 13-08-1972 | 13-08-1972 | |
| Eastern Racing Associates | Champ Car | 16-07-1972 | 24-09-1972 | |
| Privateer - Canada | Champ Car | 03-10-1971 | 03-10-1971 | |
| CHEK Racing | Champ Car | 18-07-1971 | 18-07-1971 | |
| Indy-On-A-Shoestring | Champ Car | 04-07-1970 | 25-04-1971 | |
| Lloyd Gifford | Champ Car | 14-06-1970 | 04-07-1970 | |
| Two Jacks Inc. | Champ Car | 14-06-1970 | 14-06-1970 | |
| Jerry Karl | Champ Car | 14-06-1970 | 14-06-1970 | |
| Federal Engineering | Champ Car | 08-06-1969 | 15-11-1969 | |
| STP Oil Treatment | Champ Car | 30-05-1969 | 30-05-1969 | |
| Earl Smith | Champ Car | 17-03-1968 | 13-04-1969 | |
| Racing Associates | Champ Car | 30-05-1967 | 22-10-1967 | |
| Kenny Brenn | Champ Car | 09-04-1967 | 28-07-1968 | |
| Viking Trailer | Champ Car | 24-04-1966 | 25-09-1966 | |
| Bob Wilke | Champ Car | 20-03-1966 | 20-11-1966 | |
| Fred Gerhardt | Champ Car | 31-05-1965 | 20-11-1966 | |
| Privateer - United States of America | Champ Car | 22-11-1964 | 04-11-1972 | |
| Privateer - United States of America | Champ Car | 20-08-1961 | 20-08-1961 |