| Teams for 1966 Gwyn Staley 400 |
|---|
| Car | Team | Driver | Mfg |
|---|---|---|---|
| 04 | DeWitt Racing | John Sears |  |
| 6 | Owens Racing | David Pearson |  |
| 14 | Friedkin Enterprises | Jim Paschal |  |
| 25 | Handy Racing | Jabe Thomas | |
| 34 | Scott Racing | Wendell Scott | |
| 38 | Archy Smith | Wayne Smith |  |
| 40 | Yarboro Racing | Eddie Yarboro | |
| 43 | Petty Enterprises | Richard Petty | |
| 45 | Siefert Racing | Bill Seifert | |
| 49 | GC Spencer Racing | G.C. Spencer | |
| 59 | Pistone Racing | Tom Pistone | |
| 63 | Bob Adams | Larry Manning | |
| 70 | McDuffie Racing | J.D. McDuffie | |
| 77 | Harold Mays | Joel Davis | |
| 86 | Buck Baker Racing | Neil Castles | |
| 87 | Buck Baker Racing | Buck Baker |  |
| 97 | Henley Gray Racing | Henley Gray | |
| 98 | Nichels Engineering | Sam McQuagg | |
| 99 | Nichels Engineering | Paul Goldsmith | |
