| series | Champcar complete |
| team | Harry Dunn |
| year | race | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| 1956 | Indy 500 | 89 | Dunn Engineering | Keith Andrews | | 20 | 26 | Kurtis 500B FE [365-53] | Offy 270 | ||
| 1956 | Indy 500 | 89 | Dunn Engineering | Eddie Johnson | | DNS | Kurtis 500B FE [365-53] | Offy 270 | |||
| 1956 | Milwaukee | 89 | Dunn Engineering | Keith Andrews | | 15 | 12 | Kurtis 500B FE [365-53] | Offy 270 | ||
| 1956 | Milwaukee II | 89 | Dunn Engineering | Jimmy Reece | | 13 | 2 | Kurtis 500B FE [365-53] | Offy 270 | ||
| 1957 | Indy 500 | 89 | Dunn Engineering | Al Herman | | 30 | 21 | Dunn 500B FE [365-53] | Offy 252 | ||
| 1957 | Milwaukee II | 89 | Dunn Engineering | Al Herman | | 14 | 14 | Dunn 500B FE [365-53] | Offy 252 | ||
| 1957 | Trenton | 89 | Dunn Engineering | Al Herman | | 18 | 12 | Dunn 500B FE [365-53] | Offy 252 | ||
| 1958 | Indy 500 | 89 | Dunn Engineering | Chuck Weyant | | 29 | 24 | Dunn 500B FE [365-53] | Offy 252 | ||
| 1958 | Milwaukee | 89 | Dunn Engineering | Chuck Weyant | | DNS | Dunn 500B FE [365-53] | Offy 252 | |||
| 1958 | Springfield | 89 | Dunn Engineering | Chuck Weyant | | DNS | Dunn 500B FE [365-53] | Offy 252 | |||
| 1958 | Milwaukee II | 89 | Dunn Engineering | Pat Flaherty | | 20 | 16 | Dunn 500B FE [365-53] | Offy 252 | ||
| 1958 | Milwaukee II | 89 | Dunn Engineering | Chuck Weyant | | relief | Dunn 500B FE [365-53] | Offy 252 | |||
| 1959 | Indy 500 | 89 | Dunn Engineering | Al Herman | | 23 | 13 | Dunn 500B FE [365-53] | Offy 252 | ||
| 1959 | Milwaukee | 89 | Dunn Engineering | Chuck Weyant | | DNS | Dunn 500B FE [365-53] | Offy 252 | |||
| 1959 | Milwaukee II | 89 | Dunn Engineering | Chuck Weyant | | 20 | 8 | Dunn 500B FE [365-53] | Offy 252 | ||
| 1960 | Indy 500 | 89 | Dunn Engineering | Chuck Rodee | | DNS | Dunn 500B FE [365-53] | Offy 252 | |||
| 1960 | Milwaukee | 89 | Dunn Engineering | Chuck Rodee | | 17 | 17 | Dunn 500B FE [365-53] | Offy 252 | ||
| 1960 | Milwaukee II | 89 | Dunn Engineering | Chuck Rodee | | 9 | 16 | Dunn 500B FE [365-53] | Offy 252 | ||
| 1960 | Trenton II | 89 | Dunn Engineering | Chuck Rodee | | DNS | Dunn 500B FE [365-53] | Offy 252 | |||
| 1961 | Indy 500 | 89 | Dunn Engineering | Chuck Rodee | | DNS | Dunn 500B FE [365-53] | Offy 252 | |||
| 1961 | Milwaukee | 89 | Dunn Engineering | Jack Conely | | DNS | Dunn 500B FE [365-53] | Offy 252 | |||
| 1961 | Milwaukee II | 89 | Dunn-Chevrolet | Jack Conely | | DNS | Dunn 500B FE [365-53] | Offy 252 |
