| Race |
Site |
Cars |
St |
Fin |
# |
Sponsor / Owner |
Chassis / Engine |
Laps |
Money |
Status |
Led |
Points |
Rank |
| 1 | Phoenix | 21 | 1 | 5 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 149/150 | 0 | running | 84 | 150 | 5 |
| 2 | Atlanta | 18 | 8 | 7 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 82/82 | 0 | running | 1 | 75 | 6 |
| 3 | Atlanta | 18 | 7 | 4 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 82/82 | 0 | running | 7 | 150 | 5 |
| 4 | Indianapolis | 35 | 4 | 5 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 199/200 | 59,353 | running | 89 | 500 | 3 |
| 5 | Trenton | 18 | 2 | 1 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 67/67 | 0 | running | 23 | 200 | 2 |
| 6 | Trenton | 16 | 1 | 1 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 67/67 | 0 | running | 62 | 200 | 2 |
| 7 | Michigan | 23 | 1 | 19 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 21/63 | 0 | engine | 8 | 5 | 3 |
| 8 | Michigan | 21 | 18 | 1 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 63/63 | 0 | running | 36 | 250 | 3 |
| 9 | Watkins Glen | 18 | 2 | 1 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 62/62 | 0 | running | 36 | 300 | 2 |
| 10 | Trenton | 16 | 1 | 2 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 100/100 | 0 | running | 36 | 240 | 2 |
| 11 | Ontario | 35 | 3 | 1 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 200/200 | 0 | running | 97 | 1000 | 2 |
| 12 | Michigan | 15 | 1 | 1 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 75/75 | 0 | running | 49 | 300 | 2 |
| 13 | Atlanta | 16 | 1 | 3 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 99/100 | 0 | running | 48 | 210 | 2 |
| 14 | Phoenix | 18 | 1 | 2 | 12 | Norton Spirit (Roger Penske) | Penske / Cosworth | 150/150 | 0 | running | 6 | 240 | 2 |