|
| # |
Date |
Site |
Cars |
Winner(s) |
St |
Chassis / Engine |
Len |
Sfc |
Miles |
Purse |
Pole |
Cau |
Laps |
Speed |
LC |
|---|
| 1 | 03/18/78 | Phoenix | 22 | Gordon Johncock | 2 | Wildcat / DGS | 1.000 | P | 150 | 74,792 | 145.396 | 5 | 23 | 116.757 | 9 |
| 15 | 09/23/78 | Trenton | 20 | Mario Andretti | 3 | Penske / Cosworth | 1.500 | P | 150 | 82,325 | 171.920 | 6 | 26 | 120.080 | 7 |
| 14 | 09/16/78 | Michigan | 20 | Danny Ongais | 20 | Parnelli / Cosworth | 2.000 | P | 150 | 90,300 | 205.187 | 4 | 13 | 146.246 | 9 |
| 13 | 09/03/78 | Ontario | 31 | Al Unser | 7 | Chaparral / Cosworth | 2.500 | P | 500 | 311,820 | 199.933 | 7 | 30 | 145.158 | 11 |
| 12 | 08/20/78 | Milwaukee | 22 | Danny Ongais | 1 | Parnelli / Cosworth | 1.000 | P | 200 | 97,845 | 134.933 | 6 | 28 | 108.369 | 9 |
| 11 | 08/06/78 | College Station | 21 | A.J. Foyt | 2 | Coyote / Foyt | 2.000 | P | 200 | 83,973 | 210.773 | 3 | 16 | 159.060 | 9 |
| 10 | 07/23/78 | Atlanta | 22 | Rick Mears | 3 | Penske / Cosworth | 1.522 | P | 152 | 81,754 | 202.475 | 3 | 20 | 141.215 | 11 |
| 9 | 07/16/78 | Michigan | 22 | Johnny Rutherford | 2 | McLaren / Cosworth | 2.000 | P | 200 | 115,910 | 211.392 | 3 | 16 | 159.941 | 7 |
| 8 | 06/25/78 | Pocono | 33 | Al Unser | 10 | Chaparral / Cosworth | 2.500 | P | 500 | 353,593 | 190.335 | 8 | 62 | 142.261 | 23 |
| 2 | 03/26/78 | Ontario | 24 | Danny Ongais | 4 | Parnelli / Cosworth | 2.500 | P | 200 | 112,700 | 202.384 | 3 | 9 | 162.810 | 9 |
| 3 | 04/15/78 | College Station | 21 | Danny Ongais | 1 | Parnelli / Cosworth | 2.000 | P | 200 | 106,817 | 211.889 | 1 | 8 | 173.594 | 9 |
| 4 | 04/23/78 | Trenton | 22 | Gordon Johncock | 4 | Wildcat / DGS | 1.500 | P | 201 | 86,895 | 172.249 | 6 | 27 | 129.033 | 7 |
| 5 | 05/28/78 | Indianapolis | 33 | Al Unser | 5 | Lola / Cosworth | 2.500 | P | 500 | 1,135,887 | 202.156 | 6 | 23 | 161.363 | 10 |
| 7 | 06/18/78 | Milwaukee | 22 | Rick Mears | 3 | Penske / Cosworth | 1.000 | P | 150 | 106,214 | 134.761 | 1 | 3 | 120.677 | 8 |
| 18 | 10/28/78 | Phoenix | 22 | Johnny Rutherford | 3 | McLaren / Cosworth | 1.000 | P | 150 | 81,304 | 145.513 | 2 | 13 | 120.974 | 6 |
| 6 | 06/11/78 | Bowmanville | 19 | Danny Ongais | 1 | Parnelli / Cosworth | 2.459 | R | 187 | 135,229 | 121.983 | 5 | 19 | 87.164 | 3 |
| 16 | 10/01/78 | Silverstone | 16 | A.J. Foyt | 10 | Coyote / Foyt | 2.932 | R | 111 | 178,250 | 128.429 | 6 | 11 | 104.361 | 5 |
| 17 | 10/07/78 | Brands Hatch | 16 | Rick Mears | 2 | Penske / Cosworth | 1.200 | R | 120 | 195,896 | 105.811 | 1 | 5 | 95.788 | 2 |
|
