| series | Champcar complete |
| team | William E. Barnett |
| year | race | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| 1965 | DuQuoin | 48 | W.E.Barnett | Bob Mathouser |  | 16 | 12 | Kurtis 4000 D [356a-52] | Offy 252 |
1 entry
| series | Champcar complete |
| team | William E. Barnett |
| year | race | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| 1965 | DuQuoin | 48 | W.E.Barnett | Bob Mathouser | | 16 | 12 | Kurtis 4000 D [356a-52] | Offy 252 |