| series | Champcar complete |
| team | Fred Sommer |
| year | race | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| 1956 | Indy 500 | 10 | Hoyt Machine | Ed Elisian | | 14 | 23 | Kurtis 500C FE [376-54] | Offy 270 | ||
| 1956 | Indy 500 | 10 | Hoyt Machine | Eddie Russo | | relief | Kurtis 500C FE [376-54] | Offy 270 | |||
| 1957 | Indy 500 | 5 | Hoyt Machine | Jimmy Reece | | 6 | 18 | Kurtis 500C FE [376-54] | Offy 252 | ||
| 1957 | Milwaukee II | 5 | Hoyt Machine | Don Freeland | | 21 | 15 | Kurtis 500C FE [376-54] | Offy 252 | ||
| 1958 | Indy 500 | 24 | Hoyt Machine | Gene Hartley | | DNS | Kurtis 500C FE [376-54] | Offy 252 | |||
| 1958 | Monza | 24 | Hoyt Machine | Jimmy Reece | | 13 | 8 | Kurtis 500C FE [376-54] | Offy 252 | ||
| 1958 | Monza /b | 24 | Hoyt Machine | Jimmy Reece | | 8 | 7 | Kurtis 500C FE [376-54] | Offy 252 | ||
| 1958 | Monza /c | 24 | Hoyt Machine | Jimmy Reece | | 7 | 5 | Kurtis 500C FE [376-54] | Offy 252 | ||
| 1959 | Daytona | 24 | Hoyt Machine | Dempsey Wilson | | 4 | 17 | Kurtis 500C FE [376-54] | Offy 252 | ||
| 1959 | Trenton | 24 | Hoyt Machine | Dempsey Wilson | | DNS | Kurtis 500C FE [376-54] | Offy 252 | 20 |
