| series | Champcar current |
| driver |  Harry MacDonald |
| year | race | team | car | entry | start | finish | chassis | engine | laps led | * |
| 1981 | Michigan | AMI Racing | 45 | Armstrong Mould | 36 | 21 | Lola T500B | Cosworth DFX | ||
| 1983 | Indy 500 | AMI Racing | 43 | Armstrong Mould | DNS | Lola T700 [HU03] | Cosworth DFX | |||
| 1983 | Cleveland | AMI Racing | 43 | Armstrong Mould | DNS | Lola T700 [HU03] | Cosworth DFX |
3 entries
