| Teams 1966 Fireball 300 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 1 | Paul Lewis | Paul Lewis | Plymouth |
| 2 | Bob Cooper | Doug Cooper | Plymouth |
| 4 | DeWitt Racing | John Sears | Ford |
| 6 | Owens Racing | David Pearson | Dodge |
| 6 | John McCarthy | Jack Lawrence | Mercury |
| 9 | Truett Rodgers | Roy Tyner | Chevrolet |
| 16 | Bud Moore Engineering | Darel Dieringer | Mercury |
| 18 | Toy Bolton | Stick Elliott | Chevrolet |
| 19 | J.T. Putney | J.T. Putney | Chevrolet |
| 20 | Clyde Lynn | Clyde Lynn | Ford |
| 34 | Scott Racing | Wendell Scott | Ford |
| 35 | Ken Carpenter | Max Ledbetter | Oldsmobile |
| 40 | Yarboro Racing | Eddie Yarboro | Dodge |
| 43 | Petty Enterprises | Richard Petty | Plymouth |
| 46 | Tom Hunter | Roy Mayne | Chevrolet |
| 48 | Bud Hartje | James Hylton | Dodge |
| 53 | David Warren | Jimmy Helms | Ford |
| 55 | Lyle Stelter | Tiny Lund | Ford |
| 64 | Elmo Langley & Henry Woodfield | Elmo Langley | Ford |
| 70 | McDuffie Racing | J.D. McDuffie | Ford |
| 73 | Joan Petre | Buddy Baker | Ford |
| 77 | Harold Mays | Joel Davis | Plymouth |
| 86 | Buck Baker Racing | Neil Castles | Dodge |
| 87 | Buck Baker Racing | Buck Baker | Oldsmobile |
| 92 | W.S. Jenkins | Hank Thomas | Ford |
| 93 | Harry Neal | Blackie Watt | Ford |
| 95 | Gene Cline | Henley Gray | Ford |
| 96 | Homer O'Dell | Sonny Lamphear | Ford |
| 97 | Henley Gray Racing | Ned Jarrett | Ford |