| Teams for 1970 Mason-Dixon 300 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | Phil Dickerson | Cliff Tyler |  |
| 03 | Walt Valerio | Tommy Gale |  |
| 4 | John Sears | John Sears |  |
| 06 | Castles Racing | Neil Castles | |
| 6 | Owens Racing | Buddy Baker | |
| 8 | Negre Racing | Ed Negre |  |
| 10 | Champion Racing | Bill Champion | |
| 17 | Holman-Moody Racing | David Pearson | |
| 18 | Frasson Racing | Joe Frasson |  |
| 19 | Henley Gray Racing | Henley Gray | |
| 22 | Rossi's Automotive Engineering | Bobby Allison | |
| 24 | Gordon Racing | Cecil Gordon | |
| 25 | Robertson Racing | Jabe Thomas | |
| 26 | Earl Brooks | Earl Brooks | |
| 30 | Marcis Auto Racing | Dave Marcis | |
| 34 | Scott Racing | Wendell Scott | |
| 43 | Petty Enterprises | Richard Petty | |
| 45 | Siefert Racing | Bill Seifert | |
| 48 | Hylton Engineering | James Hylton | |
| 54 | Bill Dennis | Bill Dennis | |
| 58 | Robert Brown | Buck Baker | |
| 64 | Langley Racing | Elmo Langley | |
| 65 | Joe Phipps | Joe Phipps | |
| 67 | Ron Ronacher | Dick May | |
| 68 | Allan Schlauer | Larry Baumel | |
| 70 | McDuffie Racing | J.D. McDuffie | |
| 71 | K&K Racing | Bobby Isaac | |
| 72 | DeWitt Racing | Benny Parsons | |
| 74 | Shirey Racing | Bill Shirey | |
| 76 | Ben Arnold | Ben Arnold | |
| 77 | Bob Freeman | John Kenney | |
| 79 | Warren Racing | Frank Warren | |
| 84 | Buster Davis | Raymond Williams | |
| 87 | John Pemberton | Lee Roy Carrigg | |
| 92 | Roy Tyner | Roy Tyner | |
| 99 | Nichels Engineering | Charlie Glotzbach | |
