McDuffie Racing
NASCAR Cup Series team · 1963–1991
Career totals
| Wins | Entries | Active |
|---|---|---|
| 0 | 639 | 1963–1991 |
Season by season
| Season | Entries | Wins | Top 5s | Top 10s | Poles | Avg fin | Pts |
|---|---|---|---|---|---|---|---|
| 1963 | 13 | 3 | 15.9 | 2312 | |||
| 1966 | 36 | 1 | 9 | 15.4 | 9588 | ||
| 1967 | 1 | 18.0 | 160 | ||||
| 1968 | 32 | 9 | 17.8 | 1370 | |||
| 1969 | 45 | 12 | 16.4 | 2424 | |||
| 1970 | 37 | 1 | 10 | 15.9 | 2043 | ||
| 1971 | 40 | 2 | 8 | 18.5 | 2631 | ||
| 1972 | 24 | 1 | 21.7 | 1402 | |||
| 1973 | 27 | 3 | 10 | 17.4 | 1812 | ||
| 1974 | 30 | 7 | 16.0 | 0 | |||
| 1975 | 30 | 1 | 6 | 19.3 | 3069 | ||
| 1976 | 31 | 1 | 8 | 16.8 | 3521 | ||
| 1977 | 30 | 4 | 18.5 | 3236 | |||
| 1978 | 30 | 1 | 6 | 1 | 18.6 | 3255 | |
| 1979 | 31 | 1 | 7 | 17.5 | 3473 | ||
| 1980 | 32 | 3 | 21.7 | 3140 | |||
| 1981 | 28 | 1 | 18.8 | 3000 | |||
| 1982 | 28 | 1 | 22.5 | 2672 | |||
| 1983 | 24 | 24.6 | 2142 | ||||
| 1984 | 16 | 25.9 | 1366 | ||||
| 1985 | 23 | 27.3 | 1774 | ||||
| 1986 | 14 | 23.4 | 1303 | ||||
| 1987 | 15 | 29.5 | 1119 | ||||
| 1988 | 2 | 30.5 | 148 | ||||
| 1989 | 7 | 32.6 | 457 | ||||
| 1990 | 8 | 31.1 | 557 | ||||
| 1991 | 5 | 32.0 | 335 |
Owner championships are not yet part of the NASCAR Cup Series dataset, so no title count is shown here rather than an unverified zero.