VII Watkins Glen 6 hours
Race Result
Race Result
Did Not Start
| # | Driver | Entrant / Team | Chassis | |
|---|---|---|---|---|
| 70 | 
Rolf Stommelen | Autodelta SpA | Alfa Romeo 33TT12 | Accident |
Disqualified
| # | Driver | Entrant / Team | Chassis | Laps | |
|---|---|---|---|---|---|
| 60 | 
Arturo Merzario 
Mario Andretti | Autodelta SpA | Alfa Romeo 33TT12 | 171 | Assistance |