1978 J.D. McDuffie NASCAR Winston Cup statistics
Back to J.D. McDuffie career stats
| Race # | Track | Driver | Start | Finish | Car # | Sponsor | Engine | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points |
| 1 | Riverside | J.D. McDuffie | 21 | 28 | 70 | Simpson Safety Equipment | Chevrolet | 45 | 0 | 0 | differential | 1455 | 79 | ||
| 2 | Daytona | J.D. McDuffie | 22 | 30 | 70 | Bailey Excavating | Chevrolet | 132 | 0 | 0 | running | 2880 | 73 | ||
| 3 | Richmond | J.D. McDuffie | 13 | 27 | 70 | McDuffie Racing | Chevrolet | 154 | 0 | 0 | cylinder head | 665 | 82 | ||
| 4 | Rockingham | J.D. McDuffie | 18 | 25 | 70 | McDuffie Racing | Chevrolet | 266 | 0 | 0 | cylinder head | 1550 | 88 | ||
| 5 | Atlanta | J.D. McDuffie | 35 | 16 | 70 | Bailey Excavating | Chevrolet | 312 | 0 | 0 | running | 1235 | 115 | ||
| 6 | Bristol | J.D. McDuffie | 14 | 28 | 70 | Bailey Excavating | Chevrolet | 16 | 0 | 0 | rear end | 770 | 79 | ||
| 7 | Darlington | J.D. McDuffie | 24 | 11 | 70 | Bailey Excavating | Chevrolet | 342 | 0 | 0 | running | 4030 | 130 | ||
| 8 | North Wilkesboro | J.D. McDuffie | 14 | 7 | 70 | Bailey Excavating | Chevrolet | 390 | 0 | 0 | running | 2200 | 146 | ||
| 9 | Martinsville | J.D. McDuffie | 10 | 26 | 70 | Bailey Excavating | Chevrolet | 140 | 0 | 0 | ignition | 840 | 85 | ||
| 10 | Talladega | J.D. McDuffie | 40 | 40 | 70 | Bailey Excavating | Chevrolet | 5 | 0 | 0 | engine | 1705 | 43 | ||
| 11 | Dover | J.D. McDuffie | 12 | 34 | 70 | Perry's Steak House | Chevrolet | 35 | 0 | 0 | oil pump | 1010 | 61 | ||
| 12 | Charlotte | J.D. McDuffie | 30 | 22 | 70 | Bailey Excavating | Chevrolet | 369 | 0 | 0 | running | 4375 | 97 | ||
| 13 | Nashville | J.D. McDuffie | 11 | 12 | 70 | Bailey Excavating | Chevrolet | 388 | 0 | 0 | running | 1285 | 127 | ||
| 14 | Riverside | J.D. McDuffie | 19 | 24 | 70 | McDuffie Racing | Chevrolet | 72 | 0 | 0 | transmission | 1325 | 91 | ||
| 15 | Michigan | J.D. McDuffie | 28 | 13 | 70 | Bailey Excavating | Chevrolet | 191 | 0 | 0 | running | 3000 | 124 | ||
| 16 | Daytona | J.D. McDuffie | 20 | 12 | 70 | Bailey Excavating | Chevrolet | 153 | 0 | 0 | running | 4500 | 127 | ||
| 17 | Nashville | J.D. McDuffie | 4 | 5 | 70 | Bailey Excavating | Chevrolet | 413 | 1 | 1 | running | 2445 | 160 | ||
| 18 | Pocono | J.D. McDuffie | 18 | 10 | 70 | Bailey Excavating | Chevrolet | 194 | 0 | 0 | running | 3455 | 134 | ||
| 19 | Talladega | J.D. McDuffie | 23 | 17 | 70 | Bailey Excavating | Chevrolet | 172 | 0 | 0 | running | 3635 | 112 | ||
| 20 | Michigan | J.D. McDuffie | 9 | 7 | 70 | Bailey Excavating | Chevrolet | 197 | 1 | 3 | running | 4330 | 151 | ||
| 21 | Bristol | J.D. McDuffie | 5 | 8 | 70 | Bailey Excavating | Chevrolet | 481 | 0 | 0 | running | 2220 | 142 | ||
| 22 | Darlington | J.D. McDuffie | 24 | 20 | 70 | Bailey Excavating | Chevrolet | 281 | 0 | 0 | head gasket | 3460 | 103 | ||
| 23 | Richmond | J.D. McDuffie | 12 | 8 | 70 | Bailey Excavating | Chevrolet | 391 | 0 | 0 | running | 2320 | 142 | ||
| 24 | Dover | J.D. McDuffie | 1 | 33 | 70 | Bailey Excavating | Chevrolet | 135.480 | 80 | 1 | 10 | piston | 1520 | 69 | |
| 25 | Martinsville | J.D. McDuffie | 11 | 22 | 70 | Bailey Excavating | Chevrolet | 409 | 0 | 0 | brakes | 880 | 97 | ||
| 26 | North Wilkesboro | J.D. McDuffie | 14 | 11 | 70 | Bailey Excavating | Chevrolet | 385 | 0 | 0 | running | 1820 | 130 | ||
| 27 | Charlotte | J.D. McDuffie | 22 | 11 | 70 | Bailey Excavating | Chevrolet | 324 | 0 | 0 | running | 5760 | 130 | ||
| 28 | Rockingham | J.D. McDuffie | 20 | 12 | 70 | Bailey Excavating | Chevrolet | 468 | 1 | 1 | running | 3240 | 132 | ||
| 29 | Atlanta | J.D. McDuffie | 16 | 14 | 70 | Bailey Excavating | Chevrolet | 317 | 0 | 0 | running | 3260 | 121 | ||
| 30 | Ontario | J.D. McDuffie | 22 | 26 | 70 | Bailey Excavating | Chevrolet | 178 | 0 | 0 | running | 1885 | 85 |
