| Nationality | American |
| Years Active | 1955–1960 |
| First Race | 1955 Indianapolis 500 |
| Last Race | 1960 Indianapolis 500 |
| Race Entries | Not shown on page |
| Race Starts | 5 |
| Podiums | 5 |
| Pole Positions | 0 |
| Fastest Laps | 2 |
| Points | 0 |
| Constructors’ Championships | 0 |
| Drivers’ Championships | 0 |
| Best Start | 7th |
| Best Finish | 1st |
| Did Not Start | Not shown on page |
| Did Not Qualify | Not shown on page |
| Retirements | 5 |
Epperly Stats by Season
| Year | Engine | Drivers | Entries | Starts | Wins | Podiums | Poles | Fastest Laps | Front Rows | DNF | Best Start | Best Result | Points | Championship |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1955 | Offenhauser | Jim Rathmann | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | Not shown | Not shown | 0 | – |
| 1956 | Offenhauser | – | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Not shown | Not shown | 0 | – |
| 1957 | Offenhauser | Sam Hanks, Jim Rathmann | 1 | 1 | 1 | 2 | 0 | 1 | 0 | 0 | Not shown | 1st | 0 | – |
| 1958 | Offenhauser | Jimmy Bryan, George Amick, Tony Bettenhausen, Jim Rathmann | 1 | 1 | 1 | 2 | 0 | 1 | 0 | 0 | Not shown | 1st | 0 | NC |
| 1959 | Offenhauser | Paul Goldsmith, Johnny Boyd, Tony Bettenhausen, Red Amick, Jimmy Bryan | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | Not shown | Not shown | 0 | NC |
| 1960 | Offenhauser | Paul Goldsmith, Jimmy Bryan, Johnny Boyd, Jim McWithey, Wayne Weiler | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 4 | Not shown | 3rd | 0 | NC |
