William
Donald EngelhartBirthplace: Madison, Wisconsin
Born: March 20, 1942
Died:
Bill Engelhart
William
Donald Engelhart
Birthplace: Madison, Wisconsin
Born: March 20, 1942
Died:
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| DuQuoin | 3 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | |
| Indianapolis | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 11 | 0 |
| ISF | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 |
| Milwaukee | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 |
| MIS | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 35 | 0 |
| Nazareth | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Ontario | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 |
| Phoenix-PIR | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 |
| Pocono | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Springfield | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 9 | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Eagle | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| McLaren | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 8 | 0 |
| Unknown | 6 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | |
| Wildcat | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Cosworth | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 8 | 0 |
| DGS | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Foyt | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Unknown | 6 | 1 | 0 | 1 | 0 | 1 | 1 | 1 |