The Weinberger & Welseck Enterprises team took part in USAC from 1964 to 1969.
During her performances it won 2 victories
and 3 pole positions.
12 pilots competed
in 80 races in
20 different cars.
| Driver | Best Race Position | Best position in qualification | Total Races |
|---|---|---|---|
| Johnny White | 10 | 10 | 3 |
| Gordon Johncock | 1 | 1 | 27 |
| Sam Sessions | 11 | 23 | 1 |
| Roger McCluskey | 9 | 7 | 1 |
| Bobby Unser | 3 | 1 | 5 |
| Norm Brown | 9 | 14 | 5 |
| Johnny Rutherford | 5 | 4 | 16 |
| Mickey Shaw | 12 | 18 | 1 |
| Ronnie Bucknum | 1 | 1 | 14 |
| Jerry Daniels | 10 | 8 | 1 |
| Larry Dickson | 2 | 4 | 9 |
| Todd Gibson | 17 | 18 | 2 |
| Track | Best Race Position | Best position in qualification | Total Races |
|---|---|---|---|
| Mosport Park | 3 | 5 | 4 |
| Indianapolis | 4 | 6 | 5 |
| Phoenix | 9 | 2 | 9 |
| Riverside | 8 | 13 | 3 |
| Langhorne | 2 | 1 | 7 |
| Springfield | 2 | 7 | 6 |
| Milwaukee | 1 | 2 | 9 |
| Du Quoin | 3 | 1 | 4 |
| Trenton | 2 | 5 | 7 |
| Sacramento | 5 | 7 | 5 |
| Indiana State Fair | 7 | 9 | 4 |
| Indianapolis Raceway Park | 4 | 4 | 5 |
| Atlanta | 3 | 2 | 2 |
| St Jovite | 3 | 3 | 4 |
| Hanford | 20 | 14 | 2 |
| Castle Rock | 19 | 1 | 1 |
| Nazareth | 6 | 4 | 2 |
| Michigan | 1 | 8 | 1 |
| Year | Winner | Grand Prix |
|---|---|---|
| 1965 | Gordon Johncock | Milwaukee Indycars |
| 1968 | Ronnie Bucknum | Michigan Indycars |
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