| Teams for 1966 Maine 100 |
|---|
| Car | Team | Driver | Mfg |
|---|---|---|---|
| 00 | Emory Gilliam | Buddy Baker |  |
| 2 | Donald Brackens | Bobby Allison |  |
| 03 | Ed Ackerman | Rene Charland |  |
| 4 | DeWitt Racing | John Sears | |
| 6 | Owens Racing | David Pearson | |
| 06 | John McCarthy | Jack Lawrence |  |
| 9 | Truett Rodgers | Roy Tyner | |
| 11 | Bernard Alverez | Ned Jarrett | |
| 15 | Lyle Stelter | Fats Caruso | |
| 19 | J.T. Putney | J.T. Putney | |
| 20 | Clyde Lynn | Clyde Lynn | |
| 34 | Scott Racing | Wendell Scott | |
| 43 | Petty Enterprises | Richard Petty |  |
| 48 | Bud Hartje | James Hylton | |
| 53 | David Warren | Jimmy Helms | |
| 55 | Lyle Stelter | Tiny Lund | |
| 64 | Elmo Langley & Henry Woodfield | Elmo Langley | |
| 70 | McDuffie Racing | J.D. McDuffie | |
| 73 | Joan Petre | Ernie Gahan | |
| 86 | Buck Baker Racing | Ray Hill | |
| 87 | Buck Baker Racing | Neil Castles |  |
| 88 | Buck Baker Racing | Buck Baker | |
| 93 | Harry Neal | Blackie Watt | |
| 94 | Ron Stotten | Don Biederman | |
| 97 | Henley Gray Racing | Henley Gray | |
| 144 | Roy Hallquest | Roy Hallquist | |
