| Teams 1984 Mountain Dew 400 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | Thomas Brothers Racing | Sam Ard | Oldsmobile |
| 4 | Falk Racing | Eddie Falk | Pontiac |
| 6 | Mike Day | Tommy Houston | Chevrolet |
| 9 | Bob Shreeves | Bob Shreeves | Pontiac |
| 10 | Gwyn Racing | L.D. Ottinger | Oldsmobile |
| 11 | Ingram Racing | Jack Ingram | Pontiac |
| 12 | Marilyn Smith | Tommy Ellis | Pontiac |
| 14 | Silver Racing | Ronnie Silver | Pontiac |
| 21 | Pearson Racing | Larry Pearson | Pontiac |
| 24 | Marvin Thackston | Glenn Jarrett | Ford |
| 32 | Isenhower Racing | Dale Jarrett | Pontiac |
| 33 | George Dalton | George Dalton | Pontiac |
| 45 | Luck Racing | Charlie Luck | Pontiac |
| 62 | Linville Racing | John Linville | Pontiac |
| 85 | Smith Racing | Joe Thurman | Chevrolet |
| 95 | Nissen Racing | Bubba Nissen | Pontiac |
| 99 | Boyd Nelson | Rick Mast | Pontiac |