| series | Champcar complete |
| team | Maxson |
| year | race | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| 1968 | DuQuoin | 68 | Maxson | George Benson | | 18 | 9 | Meskowski 63 D [10] | Offy 252 | ||
| 1968 | Indy Hoosier | 68 | Maxson | George Benson | | 13 | 8 | Meskowski 63 D [10] | Offy 252 | ||
| 1968 | Sacramento | 68 | Maxson | George Benson | | 17 | 6 | Meskowski 63 D [10] | Offy 252 | ||
| 1969 | Indy 500 | 89 | Maxson | Bobby Grim | | DNS | Epperly 69 FE [8] | Offy 159 tc | |||
| 1969 | Indy 500 | 89 | Maxson | Gary Bettenhausen | | DNS | Epperly 69 FE [8] | Offy 159 tc | |||
| 1969 | Indy 500 | 89 | Maxson | George Benson | | DNS | Epperly 69 FE [8] | Offy 159 tc | |||
| 1969 | Indy 500 | 89 | Maxson | Les Scott | | DNS | Epperly 69 FE [8] | Offy 159 tc | |||
| 1969 | Milwaukee | 89 | Maxson | George Benson | | 22 | 14 | Epperly 69 FE [8] | Offy 159 tc | ||
| 1969 | DuQuoin | 89 | Maxson | Bobby Hogle | | DNS | Meskowski 63 D [10] | Offy 252 | |||
| 1969 | Indy Hoosier | 89 | Maxson | Bruce Walkup | | DNS | Meskowski 63 D [10] | Offy 252 | |||
| 1969 | Indy Hoosier | 89 | Maxson | Bobby Hogle | | DNS | Meskowski 63 D [10] | Offy 252 | |||
| 1969 | Sacramento | 89 | Maxson | Bruce Walkup | | 9 | 4 | Meskowski 63 D [10] | Offy 252 | ||
| 1969 | Phoenix II | 89 | Maxson | Bruce Walkup | | 24 | 8 | Epperly 69 FE [8] | Offy 159 tc | ||
| 1970 | Phoenix | 89 | Maxson | George Snider | | 12 | 7 | Epperly 69 FE [8] | Offy 159 tc | ||
| 1970 | Ontario 500 | 88 | Maxson | Denny Zimmerman | | DNS | Epperly 69 FE [8] | Offy 159 tc | |||
| 1970 | Ontario 500 | 88 | Maxson | Sam Sessions | | DNS | Epperly 69 FE [8] | Offy 159 tc | |||
| 1970 | Ontario 500 | 88 | Maxson | Bill Simpson | | DNS | Epperly 69 FE [8] | Offy 159 tc | |||
| 1970 | Sedalia | 89 | Quickick | Roger McCluskey | | 15 | 10 | Meskowski 63 D [10] | Offy 252 | ||
| 1970 | Sacramento | 89 | Quickick | Roger McCluskey | | 12 | 5 | Meskowski 63 D [10] | Offy 252 | ||
| 1971 | Phoenix | 89 | Maxson | Ralph Liguori | | DNS | Epperly 69 FE [8] | Offy 159 tc | |||
| 1971 | Phoenix II | 89 | Maxson | Don Brown | | DNS | Epperly 69 FE [8] | Offy 159 tc |
