| series | Champcar complete |
| driver |  Ed Marshall |
| year | race | team | car | entry | start | finish | chassis | engine | laps led | * |
| 1969 | Phoenix II | Irv Orth Enterprises | 75 | County of Marin | DNS | Huffaker 66 [c] | Chevy 320 V8 | |||
| 1969 | Riverside | Irv Orth Enterprises | 75 | County of Marin | 26 | 24 | Huffaker 66 [c] | Chevy 320 V8 | ||
| 1970 | Sears Point | Irv Orth Enterprises | 75 | Irv Orth Enterprises | 25 | 26 | Huffaker 66 [c] | Chevy 320 V8 |
3 entries
