| Race |
Site |
Cars |
St |
Fin |
# |
Sponsor / Owner |
Chassis / Engine |
Laps |
Money |
Status |
Led |
Points |
Rank |
| 1 | Homestead | 27 | 18 | 19 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 115/133 | 0 | transmission | 0 | | 14 |
| 2 | Jacarepagua | 27 | 21 | 23 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 61/133 | 0 | cooling | 0 | | 20 |
| 3 | Queensland | 25 | 20 | 6 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 65/65 | 0 | running | 0 | 8 | 12 |
| 4 | Long Beach | 28 | 20 | 19 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 50/105 | 0 | engine | 0 | | 18 |
| 5 | Nazareth | 26 | 14 | 19 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 184/200 | 0 | running | 0 | | 19 |
| 6 | Michigan | 27 | 22 | 16 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 195/250 | 0 | engine | 0 | | 20 |
| 7 | Milwaukee | 28 | 20 | 27 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 78/200 | 0 | handling | 0 | | 20 |
| 8 | Belle Isle | 26 | 23 | 7 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 72/72 | 0 | running | 0 | 6 | 19 |
| 9 | Portland | 28 | 19 | 9 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 97/98 | 0 | running | 0 | 4 | 19 |
| 10 | Cleveland | 26 | 19 | 12 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 88/90 | 0 | running | 0 | 1 | 19 |
| 11 | Toronto | 28 | 21 | 17 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 89/93 | 0 | crash | 0 | | 21 |
| 12 | Michigan | 25 | 14 | 5 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 248/250 | 0 | running | 0 | 10 | 16 |
| 13 | Mid-Ohio | 26 | 20 | 11 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 82/83 | 0 | running | 0 | 2 | 16 |
| 14 | Elkhart Lake | 26 | 21 | 4 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 50/50 | 0 | running | 0 | 12 | 14 |
| 15 | Vancouver | 27 | 21 | 17 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 79/100 | 0 | suspension | 0 | | 14 |
| 16 | Laguna Seca | 29 | 19 | 21 | 16 | Alumax Aluminum (Tony Bettenhausen, Jr.) | Reynard / Mercedes | 52/83 | 0 | crash | 0 | | 15 |