| series | Champcar complete |
| team | Howard Iddings |
| year | race | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| 1956 | Springfield | 57 | Iddings | Rex Easton | | 1 | 13 | Meyer 47 D [1] | Offy 270 | ||
| 1956 | Springfield | 57 | Iddings | Tony Bettenhausen | | relief | Meyer 47 D [1] | Offy 270 | |||
| 1956 | Milwaukee II | 57 | Iddings | Rex Easton | | DNS | Meyer 47 D [1] | Offy 270 | 31 | ||
| 1956 | DuQuoin | 57 | Iddings | Rex Easton | | DNS | Meyer 47 D [1] | Offy 270 | |||
| 1956 | Syracuse | 57 | Iddings | Tom Hinnershitz | | DNS | Meyer 47 D [1] | Offy 270 | |||
| 1956 | Indy Hoosier | 57 | Iddings | Tom Hinnershitz | | 3 | 17 | Meyer 47 D [1] | Offy 270 | ||
| 1960 | Trenton | 93 | Iddings | Red Amick | | DNS | Meyer 59 D [2] | Offy 252 | |||
| 1960 | Milwaukee | 93 | Iddings | Red Amick | | DNS | Meyer 59 D [2] | Offy 252 | |||
| 1960 | Langhorne | 93 | Iddings | Red Amick | | 18 | 17 | Meyer 59 D [2] | Offy 252 | ||
| 1961 | Trenton | 93 | Iddings | Bobby Marshman | | 19 | 17 | Meyer 59 D [2] | Offy 252 | ||
| 1961 | Springfield | 93 | Iddings | Allen Crowe | | 12 | 17 | Meyer 59 D [2] | Offy 252 | ||
| 1961 | Syracuse | 93 | Iddings | Allen Crowe | | 6 | 13 | Meyer 59 D [2] | Offy 252 |
