| Date | Race | Track | # | Team | St | Fin | ± | Led | Status | Pts | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1990 — | Heinz Southern 500 | Darlington Raceway INT | 96 | Duffie Racing | 38 | 37 | ▲ 1 | 0 | handling | 52 | — |
| 1990 — | Pepsi 400 | Daytona International Speedway SS | 96 | Duffie Racing | 40 | 21 | ▲ 19 | 0 | running | 100 | — |
| 1988 — | Southern 500 | Darlington Raceway INT | 32 | Duffie Racing | 39 | 29 | ▲ 10 | 0 | running | 76 | — |
| 1983 — | Miller High Life 500 | Charlotte Motor Speedway INT | 99 | Duffie Racing | 29 | 27 | ▲ 2 | 0 | running | 82 | — |
| 1983 — | Southern 500 | Darlington Raceway INT | 99 | Duffie Racing | 32 | 34 | ▼ 2 | 0 | engine | 61 | — |
| 1983 — | World 600 | Charlotte Motor Speedway INT | 99 | Duffie Racing | 31 | 30 | ▲ 1 | 0 | overheating | 73 | — |
| 1983 — | Winston 500 | Talladega Superspeedway SS | 99 | Duffie Racing | 39 | 38 | ▲ 1 | 0 | brake stud | 49 | — |
| 1982 — | Atlanta Journal 500 | Atlanta Motor Speedway INT | 99 | Duffie Racing | 40 | 16 | ▲ 24 | 0 | running | 115 | — |
| 1982 — | Southern 500 | Darlington Raceway INT | 99 | Duffie Racing | 37 | 17 | ▲ 20 | 0 | running | 112 | — |
| 1982 — | Talladega 500 | Talladega Superspeedway SS | 99 | Duffie Racing | 40 | 23 | ▲ 17 | 0 | running | 94 | — |
| 1982 — | Firecracker 400 | Daytona International Speedway SS | 99 | Duffie Racing | 35 | 18 | ▲ 17 | 0 | running | 109 | — |
| 1982 — | Winston 500 | Talladega Superspeedway SS | 99 | Duffie Racing | 25 | 17 | ▲ 8 | 0 | running | 112 | — |