1978 Machinist Union 150
Competition: USAC Gold Crown Series
Championship: USAC Gold Crown Series 1978
Circuit: Trenton Speedway
From: 23-09-1978
To: 23-09-1978
Competition: USAC Gold Crown Series
Championship: USAC Gold Crown Series 1978
Circuit: Trenton Speedway
From: 23-09-1978
To: 23-09-1978
| Position | Driver | Team | Result | Laps |
|---|---|---|---|---|
| 1 | Mario Andretti | Privateer - United States of America | 100 | 100 |
| 2 | Johnny Parsons | Privateer - United States of America | 100 | 100 |
| 3 | Tom Sneva | Privateer - United States of America | 100 | 100 |
| 4 | Al Unser | Privateer - United States of America | 100 | 100 |
| 5 | Steve Krisiloff | Privateer - United States of America | 98 | 98 |
| 6 | Wally Dallenbach | Privateer - United States of America | 97 | 97 |
| 7 | Pancho Carter | Privateer - United States of America | 96 | 96 |
| 8 | Mike Mosley | Privateer - United States of America | 96 | 96 |
| 9 | Gary Bettenhausen | Privateer - United States of America | 95 | 95 |
| 10 | Sheldon Kinser | Privateer - United States of America | 94 | 94 |
| 11 | Johnny Rutherford | Privateer - United States of America | 92 | 92 |
| 12 | Tom Bagley | Privateer - United States of America | 92 | 92 |
| 13 | Cliff Hucul | Privateer - Canada | 92 | 92 |
| 14 | Gordon Johncock | Privateer - United States of America | 81 | 81 |
| 15 | Danny Ongais | Privateer - United States of America | 75 | 75 |
| 16 | Todd Gibson | Privateer - United States of America | 44 | 44 |
| 17 | Spike Gehlhausen | Privateer - United States of America | 34 | 34 |
| 18 | Jerry Sneva | Privateer - United States of America | 19 | 19 |
| 19 | A.J. Foyt | Privateer - United States of America | 15 | 15 |
| 20 | Jerry Karl | Privateer - United States of America | 13 | 13 |