| Teams for 1966 Maryland 200 |
|---|
| Car | Team | Driver | Mfg |
|---|---|---|---|
| 00 | Clyde Lynn | Jimmy Helms |  |
| 2 | J.D. Bracken | Bobby Allison |  |
| 4 | DeWitt Racing | John Sears | |
| 20 | Clyde Lynn | Clyde Lynn | |
| 34 | Scott Racing | Wendell Scott | |
| 42 | Petty Enterprises | Richard Petty |  |
| 48 | Bud Hartje | James Hylton |  |
| 50 | Edgard Wallen | Edgar Wallen | |
| 55 | Lyle Stelter | Tiny Lund | |
| 61 | Toy Bolton | Joel Davis | |
| 63 | Bob Adams | Larry Manning | |
| 64 | Langley Racing | Elmo Langley | |
| 65 | Arrington Racing | Buddy Arrington | |
| 70 | McDuffie Racing | J.D. McDuffie | |
| 73 | Joan Petre | Buddy Baker | |
| 75 | Gene Black | Earl Brooks | |
| 87 | Buck Baker | Buck Baker |  |
| 92 | W.S. Jenkins | Hank Thomas | |
| 93 | Harry Neal | Blackie Watt | |
| 94 | Ron Stotten | Don Biederman | |
| 95 | Siefert Racing | Bill Seifert | |
| 97 | Henley Gray Racing | Henley Gray | |
