| Teams 1966 Gwyn Staley 400 |
|---|
| 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 |
| 7 | Shorty Johns | Bobby Johns | Chevrolet |
| 9 | Truett Rodgers | Roy Tyner | Chevrolet |
| 14 | Friedkin Enterprises | Jim Paschal | Plymouth |
| 19 | J.T. Putney | J.T. Putney | Chevrolet |
| 20 | Clyde Lynn | Clyde Lynn | Ford |
| 24 | Betty Lilly | Bobby Allison | Ford |
| 25 | Handy Racing | Jabe Thomas | Ford |
| 34 | Scott Racing | Wendell Scott | Ford |
| 35 | Ken Carpenter | Max Ledbetter | Oldsmobile |
| 38 | Archie Smith | Wayne Smith | Chevrolet |
| 40 | Yarboro Racing | Eddie Yarboro | Dodge |
| 43 | Petty Enterprises | Richard Petty | Plymouth |
| 45 | Siefert Racing | Bill Seifert | Ford |
| 46 | Tom Hunter | Roy Mayne | Chevrolet |
| 48 | Bud Hartje | James Hylton | Dodge |
| 49 | GC Spencer Racing | G.C. Spencer | Plymouth |
| 53 | David Warren | Jimmy Helms | Ford |
| 59 | Pistone Racing | Tom Pistone | Ford |
| 60 | Joan Petre | Ernest Eury | Chevrolet |
| 63 | Bob Adams | Larry Manning | Plymouth |
| 64 | Elmo Langley & Henry Woodfield | Elmo Langley | Ford |
| 66 | Wayne Woodward | Wayne Woodward | Chevrolet |
| 70 | McDuffie Racing | J.D. McDuffie | Ford |
| 73 | Joan Petre | Buddy Arrington | Ford |
| 74 | Gene Black | Buddy Baker | Ford |
| 77 | Harold Mays | Joel Davis | Plymouth |
| 86 | Buck Baker Racing | Neil Castles | Plymouth |
| 87 | Buck Baker Racing | Buck Baker | Oldsmobile |
| 92 | W.S. Jenkins | Hank Thomas | Ford |
| 95 | Gene Cline | Gene Cline | Ford |
| 97 | Henley Gray Racing | Henley Gray | Ford |
| 98 | Nichels Engineering | Sam McQuagg | Dodge |
| 99 | Nichels Engineering | Paul Goldsmith | Plymouth |