1966 Hoosier Grand Prix
Competition: USAC Gold Crown Series
Championship: USAC Gold Crown Series 1966
Circuit: Indianapolis Motor Speedway
From: 24-07-1966
To: 24-07-1966
Competition: USAC Gold Crown Series
Championship: USAC Gold Crown Series 1966
Circuit: Indianapolis Motor Speedway
From: 24-07-1966
To: 24-07-1966
| Position | Driver | Team | Result | Laps |
|---|---|---|---|---|
| 1 | Mario Andretti | Privateer - United States of America | 80 | 80 |
| 2 | Al Unser | Privateer - United States of America | 80 | 80 |
| 3 | Jim McElreath | John Zink | 80 | 80 |
| 4 | Bobby Unser | Bob Wilke | 79 | 79 |
| 5 | Gordon Johncock | Privateer - United States of America | 79 | 79 |
| 6 | George Snider | Privateer - United States of America | 79 | 79 |
| 7 | Ronnie Duman | J. Frank Harrison | 79 | 79 |
| 8 | Joe Leonard | Privateer - United States of America | 79 | 79 |
| 9 | Don Branson | Bob Wilke | 79 | 79 |
| 10 | Dick Atkins | Privateer - United States of America | 78 | 78 |
| 11 | Sammy Sessions | Privateer - United States of America | 78 | 78 |
| 12 | Bobby Grim | Racing Associates | 77 | 77 |
| 13 | William A Foster | Jim Robbins | 76 | 76 |
| 14 | Bob Harkey | Privateer - United States of America | 75 | 75 |
| 15 | Al Miller | Privateer - United States of America | 65 | 65 |
| 16 | Lloyd Ruby | Privateer - United States of America | 43 | 43 |
| 17 | Bud Tingelstad | Privateer - United States of America | 42 | 42 |
| 18 | Chuck Hulse | Privateer - United States of America | 38 | 38 |
| 19 | Carl Williams | Privateer - United States of America | 35 | 35 |
| 20 | Gary Congdon | Privateer - United States of America | 28 | 28 |
| 21 | Arnie Knepper | Privateer - United States of America | 15 | 15 |
| 22 | Roger McCluskey | Privateer - United States of America | 12 | 12 |
| 23 | Johnny Boyd | Privateer - United States of America | 8 | 8 |
| 24 | A.J. Foyt | Privateer - United States of America | 5 | 5 |