J.D. McDuffie NASCAR Cup Series results at South Boston
Back to J.D. McDuffie career stats
| Year | Race # | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points |
| 1968 | 37 | 10 | 12 | 70 | '67 Buick | McDuffie | 219 | 0 | 0 | running | 120 | 0 | |||
| 1969 | 38 | 19 | 12 | 70 | '67 Buick | McDuffie | 242 | 0 | 0 | running | 250 | 0 | |||
| 1970 | 37 | 8 | 7 | 70 | '69 Mercury | McDuffie | 273 | 0 | 0 | running | 275 | 0 | |||
| 1971 | 17 | 13 | 7 | 70 | '71 Chevrolet | McDuffie | 270 | 0 | 0 | running | 275 | 0 |
