Rick Muther1973 USAC Champ Car Series DNQs or WDs Click on the Race Number to see the complete results for that race. |
| Race | Site | Position | # | Sponsor / Owner | Car |
|---|---|---|---|---|---|
| 1973-04 | Indianapolis | – | 97 | Lodestar | – |
| 1973-05 | Milwaukee | WD | – | – | – |
| 1973-12 | Michigan | – | 23 | Crower Cams | – |
| 1973-14 | Trenton | – | 23 | Crower Cams | – |