| series | Champcar complete |
| team | John R Wills |
| year | race | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| 1956 | Springfield | 74 | Hoover Motor Express | Don Branson | | 10 | 11 | Templeton 55 D [1] | Offy 270 | ||
| 1956 | Milwaukee II | 74 | Hoover Motor Express | Don Branson | | 16 | 26 | Templeton 55 D [1] | Offy 270 | ||
| 1956 | DuQuoin | 74 | Hoover Motor Express | Don Branson | | 3 | 10 | Templeton 55 D [1] | Offy 270 | ||
| 1956 | Syracuse | 74 | Hoover Motor Express | Don Branson | | 16 | 15 | Templeton 55 D [1] | Offy 270 | ||
| 1956 | Indy Hoosier | 74 | Hoover Motor Express | Don Branson | | DNS | Templeton 55 D [1] | Offy 270 | |||
| 1957 | Atlanta | 56 | Hoover Motor Express | Jim Hemmings | | 18 | 14 | Templeton 55 D [1] | Offy 252 | ||
| 1957 | Springfield | 56 | Hoover Motor Express | AJ Foyt | | 16 | 9 | Templeton 55 D [1] | Offy 252 | ||
| 1957 | Milwaukee II | 56 | Hoover Motor Express | AJ Foyt | | 25 | 23 | Templeton 55 D [1] | Offy 252 | ||
| 1957 | DuQuoin | 56 | Hoover Motor Express | AJ Foyt | | DNS | Templeton 55 D [1] | Offy 252 | |||
| 1957 | Syracuse | 56 | Hoover Motor Express | AJ Foyt | | DNS | Templeton 55 D [1] | Offy 252 | |||
| 1957 | Indy Hoosier | 56 | Hoover Motor Express | AJ Foyt | | DNS | Templeton 55 D [1] | Offy 252 | |||
| 1957 | Trenton | 56 | Hoover Motor Express | AJ Foyt | | 17 | 11 | Templeton 55 D [1] | Offy 252 | ||
| 1957 | Sacramento | 56 | Hoover Motor Express | AJ Foyt | | 18 | 9 | Templeton 55 D [1] | Offy 252 | ||
| 1957 | Phoenix | 56 | Hoover Motor Express | AJ Foyt | | 14 | 7 | Templeton 55 D [1] | Offy 252 | ||
| 1958 | Indy 500 | 10 | Hoover Motor Express | Rex Easton | | DNS | Kurtis 500G2 FE [G2-5] | Offy 252 | |||
| 1958 | Indy 500 | 10 | Hoover Motor Express | Elmer George | | DNS | Kurtis 500G2 FE [G2-5] | Offy 252 | |||
| 1958 | Milwaukee | 10 | Hoover Motor Express | Don Branson | | DNS | Kurtis 500G2 FE [G2-5] | Offy 252 | |||
| 1958 | Langhorne | 10 | Hoover Motor Express | Don Branson | | 2 | 4 | Meskowski 58 D [1] | Offy 252 | ||
| 1958 | Atlanta | 10 | Hoover Motor Express | Don Branson | | 1 | 5 | Meskowski 58 D [1] | Offy 252 | ||
| 1958 | Williams Grove | 10 | Hoover Motor Express | Don Branson | | 3 | 8 | Meskowski 58 D [1] | Offy 252 | ||
| 1958 | Springfield | 10 | Hoover Motor Express | Don Branson | | 4 | 7 | Meskowski 58 D [1] | Offy 252 | 36 | |
| 1958 | Milwaukee II | 10 | Hoover Motor Express | Don Branson | | 6 | 12 | Meskowski 58 D [1] | Offy 252 | ||
| 1958 | DuQuoin | 10 | Hoover Motor Express | Don Branson | | 2 | 3 | Meskowski 58 D [1] | Offy 252 | ||
| 1958 | Syracuse | 10 | Hoover Motor Express | Don Branson | | 3 | 6 | Meskowski 58 D [1] | Offy 252 | ||
| 1958 | Indy Hoosier | 10 | Hoover Motor Express | Don Branson | | 6 | 4 | Meskowski 58 D [1] | Offy 252 | ||
| 1958 | Trenton II | 10 | Hoover Motor Express | Don Branson | | 3 | 6 | Meskowski 58 D [1] | Offy 252 | ||
| 1958 | Sacramento | 10 | Hoover Motor Express | Earl Motter | | 12 | 11 | Meskowski 58 D [1] | Offy 252 | ||
| 1958 | Phoenix | 10 | Hoover Motor Express | Rodger Ward | | 7 | 5 | Meskowski 58 D [1] | Offy 252 | ||
| 1959 | Indy 500 | 1 | Hoover Motor Express | Tony Bettenhausen | | 15 | 4 | Epperly 59 FE [5] | Offy 252 | ||
| 1959 | Indy 500 | 23 | Hoover Motor Express | Tony Bettenhausen | | DNS | Epperly 59 FE [5] | Offy 252 | |||
| 1959 | Indy 500 | 23 | Hoover Motor Express | Rex Easton | | DNS | Epperly 59 FE [5] | Offy 252 | |||
| 1959 | Milwaukee II | 4 | Hoover Motor Express | Gene Hartley | | 7 | 24 | Epperly 59 FE [5] | Offy 252 | ||
| 1960 | Trenton | 19 | Hoover Motor Express | Jim McWithey | | 7 | 3 | Kuzma 60 D [10] | Offy 252 | ||
| 1960 | Langhorne (NC) | 19 | Hoover Motor Express | Jim McWithey | | 3 | 4 | Kuzma 60 D [10] | Offy 252 | ||
| 1960 | Indy 500 | 16 | Hoover Motor Express | Jim McWithey | | 32 | 29 | Epperly 59 FE [5] | Offy 252 | ||
| 1960 | Indy 500 | 16 | Hoover Motor Express | Duane Carter | | DNS | Epperly 59 FE [5] | Offy 252 | |||
| 1960 | Indy 500 | 16 | Hoover Motor Express | Don Branson | | DNS | Epperly 59 FE [5] | Offy 252 | |||
| 1960 | Indy 500 | 16 | Hoover Motor Express | AJ Foyt | | DNS | Epperly 59 FE [5] | Offy 252 | |||
| 1960 | Indy 500 | 19 | Hoover Motor Express | AJ Foyt | | DNS | Kuzma 60 D [10] | Offy 252 | |||
| 1960 | Indy 500 | 19 | Hoover Motor Express | Jim McWithey | | DNS | Kuzma 60 D [10] | Offy 252 | |||
| 1960 | Milwaukee | 16 | Hoover Motor Express | Jim McWithey | | DNS | Epperly 59 FE [5] | Offy 252 | |||
| 1960 | Milwaukee | 19 | Hoover Motor Express | Duane Carter | | DNS | Kuzma 60 D [10] | Offy 252 | |||
| 1960 | Langhorne | 19 | Hoover Motor Express | Chuck Stevenson | | DNS | Kuzma 60 D [10] | Offy 252 | |||
| 1960 | Springfield | 19 | Hoover Motor Express | Johnny Thomson | | 3 | 9 | Kuzma 60 D [10] | Offy 252 | ||
| 1960 | Milwaukee II | 16 | Hoover Motor Express | Johnny Thomson | | 8 | 23 | Epperly 59 FE [5] | Offy 252 | ||
| 1960 | DuQuoin | 19 | Hoover Motor Express | Johnny Thomson | | 10 | 9 | Kuzma 60 D [10] | Offy 252 | ||
| 1960 | Syracuse | 19 | Hoover Motor Express | Johnny Thomson | | 1 | 4 | Kuzma 60 D [10] | Offy 252 | 31 | |
| 1960 | Indy Hoosier | 19 | Hoover Motor Express | Johnny Thomson | | 19 | 5 | Kuzma 60 D [10] | Offy 252 | ||
| 1961 | Trenton | 3 | Hoover Motor Express | Don Branson | | 3 | 16 | Epperly 59 FE [5] | Offy 252 | ||
| 1961 | Indy 500 | 31 | Hoover Motor Express | Bobby Marshman | | 33 | 7 | Epperly 59 FE [5] | Offy 252 | ||
| 1961 | Indy 500 | 3 | Hoover Motor Express | Don Branson | | 2 | 33 | Epperly 61 FE [7] | Offy 252 | ||
| 1961 | Milwaukee | 3 | Hoover Motor Express | Don Branson | | 7 | 6 | Epperly 61 FE [7] | Offy 252 | ||
| 1961 | Milwaukee | 31 | Hoover Motor Express | Bobby Marshman | | 12 | 19 | Epperly 59 FE [5] | Offy 252 | ||
| 1961 | Langhorne | 3 | Hoover Motor Express | Don Branson | | 4 | 14 | Kuzma 60 D [10] | Offy 252 | ||
| 1961 | Milwaukee II | 31 | Hoover Motor Express | Bobby Marshman | | 20 | 15 | Epperly 59 FE [5] | Offy 252 | ||
| 1961 | Milwaukee II | 3 | Hoover Motor Express | Don Branson | | 1 | 24 | Epperly 61 FE [7] | Offy 252 | ||
| 1961 | Springfield | 3 | Hoover Motor Express | Don Branson | | 6 | 15 | Kuzma 60 D [10] | Offy 252 | ||
| 1961 | DuQuoin | 3 | Hoover Motor Express | Roger McCluskey | | 17 | 15 | Kuzma 60 D [10] | Offy 252 | ||
| 1961 | Syracuse | 3 | Hoover Motor Express | Roger McCluskey | | 2 | 8 | Kuzma 60 D [10] | Offy 252 | ||
| 1961 | Indy Hoosier | 3 | Hoover Motor Express | Roger McCluskey | | 13 | 14 | Kuzma 60 D [10] | Offy 252 | ||
| 1961 | Trenton II | 3 | Hoover Motor Express | Leon Clum | | DNS | Epperly 61 FE [7] | Offy 252 | |||
| 1962 | Indy 500 | 54 | Bryant Heating & Cooling | Bobby Marshman | | 3 | 5 | Epperly 61 FE [7] | Offy 252 | ||
| 1962 | Indy 500 | 22 | Froehde Mobil Homes | Bruce Jacobi | | DNS | Epperly 59 FE [5] | Offy 252 | |||
| 1962 | Indy 500 | 22 | Froehde Mobil Homes | Cotton Farmer | | DNS | Epperly 59 FE [5] | Offy 252 | |||
| 1963 | Indy 500 | 54 | Hoover Motor Express | Bud Tingelstad | | 25 | 28 | Epperly 61 FE [7] | Offy 252 | ||
| 1963 | Indy 500 | 54 | Hoover Motor Express | Bob Wente | | DNS | Epperly 61 FE [7] | Offy 252 |
