| series | Champcar complete |
| team | Royal Motor Racing |
| year | race | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| 1988 | Indy 500 | 60 | STP/Diamond Head Ranch | Gordon Johncock |  | DNS | March 87C [30] | Cosworth DFX |
1 entry
| series | Champcar complete |
| team | Royal Motor Racing |
| year | race | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| 1988 | Indy 500 | 60 | STP/Diamond Head Ranch | Gordon Johncock | | DNS | March 87C [30] | Cosworth DFX |