| 1989 — | Miller 400 | Michigan International Speedway INT | 69 | LC Racing | 24 | 23 | ▲ 1 | 0 | running | 94 | — |
| 1987 — | AC Delco 500 | North Carolina Motor Speedway INT | 41 | Ronnie Thomas Racing | 31 | 26 | ▲ 5 | 0 | engine | 85 | — |
| 1987 — | Holly Farms 400 | North Wilkesboro Speedway ST | 41 | Ronnie Thomas Racing | 30 | 25 | ▲ 5 | 0 | running | 88 | — |
| 1987 — | Busch 500 | Bristol Motor Speedway ST | 41 | Ronnie Thomas Racing | 27 | 30 | ▼ 3 | 0 | overheating | 73 | — |
| 1987 — | Valleydale 500 | Bristol Motor Speedway ST | 41 | Ronnie Thomas Racing | 30 | 30 | — | 0 | engine | 73 | — |
| 1986 — | Nationwise 500 | North Carolina Motor Speedway INT | 41 | Ronnie Thomas Racing | 32 | 40 | ▼ 8 | 0 | overheating | 43 | — |
| 1986 — | Talladega 500 | Talladega Superspeedway SS | 48 | Hylton Engineering | 36 | 16 | ▲ 20 | 0 | running | 115 | — |
| 1986 — | Winston 500 | Talladega Superspeedway SS | 48 | Hylton Engineering | 39 | 14 | ▲ 25 | 0 | running | 121 | — |
| 1986 — | TranSouth 500 | Darlington Raceway INT | 48 | Hylton Engineering | 34 | 36 | ▼ 2 | 0 | engine | 55 | — |
| 1986 — | Valleydale Meats 500 | Bristol Motor Speedway ST | 41 | Ronnie Thomas Racing | 27 | 26 | ▲ 1 | 0 | accident | 85 | — |
| 1986 — | Goodwrench 500 | North Carolina Motor Speedway INT | 41 | Ronnie Thomas Racing | 37 | 26 | ▲ 11 | 0 | rear end | 85 | — |
| 1985 — | Busch 500 | Bristol Motor Speedway ST | 41 | Ronnie Thomas Racing | 23 | 14 | ▲ 9 | 0 | running | 121 | — |
| 1985 — | Champion Spark Plug 400 | Michigan International Speedway INT | 41 | Ronnie Thomas Racing | 32 | 19 | ▲ 13 | 0 | running | 106 | — |
| 1985 — | Van Scoy Diamond Mine 500 | Pocono Raceway INT | 41 | Ronnie Thomas Racing | 40 | 40 | — | 0 | engine | 43 | — |
| 1985 — | Sovran Bank 500 | Martinsville Speedway ST | 41 | Ronnie Thomas Racing | 18 | 30 | ▼ 12 | 0 | engine | 73 | — |
| 1985 — | Valleydale 500 | Bristol Motor Speedway ST | 41 | Ronnie Thomas Racing | 28 | 21 | ▲ 7 | 0 | engine | 100 | — |
| 1985 — | Carolina 500 | North Carolina Motor Speedway INT | 41 | Ronnie Thomas Racing | 36 | 34 | ▲ 2 | 0 | rear end | 61 | — |
| 1985 — | Miller High Life 400 | Richmond Raceway ST | 41 | Ronnie Thomas Racing | 18 | 12 | ▲ 6 | 0 | running | 127 | — |
| 1984 — | Goody's 500 | Martinsville Speedway ST | 41 | Ronnie Thomas Racing | 30 | 16 | ▲ 14 | 0 | running | 115 | — |
| 1984 — | Delaware 500 | Dover International Speedway INT | 41 | Ronnie Thomas Racing | 30 | 35 | ▼ 5 | 0 | accident | 58 | — |
| 1984 — | Busch 500 | Bristol Motor Speedway ST | 41 | Ronnie Thomas Racing | 21 | 27 | ▼ 6 | 0 | ignition | 82 | — |
| 1984 — | Champion Spark Plug 400 | Michigan International Speedway INT | 41 | Ronnie Thomas Racing | 29 | 23 | ▲ 6 | 0 | running | 94 | — |
| 1984 — | Talladega 500 | Talladega Superspeedway SS | 41 | Ronnie Thomas Racing | 30 | 27 | ▲ 3 | 0 | running | 82 | — |
| 1984 — | Like Cola 500 | Pocono Raceway INT | 41 | Ronnie Thomas Racing | 31 | 40 | ▼ 9 | 0 | engine | 43 | — |
| 1984 — | Pepsi 420 | Nashville Speedway ST | 41 | Ronnie Thomas Racing | 29 | 21 | ▲ 8 | 0 | running | 100 | — |
| 1984 — | Pepsi Firecracker 400 | Daytona International Speedway SS | 41 | Ronnie Thomas Racing | 25 | 29 | ▼ 4 | 0 | running | 76 | — |
| 1984 — | Miller High Life 400 | Michigan International Speedway INT | 41 | Ronnie Thomas Racing | 32 | 25 | ▲ 7 | 0 | running | 88 | — |
| 1984 — | Van Scoy Diamond Mine 500 | Pocono Raceway INT | 41 | Ronnie Thomas Racing | 33 | 24 | ▲ 9 | 0 | running | 91 | — |
| 1984 — | Budweiser 500 | Dover International Speedway INT | 41 | Ronnie Thomas Racing | 33 | 30 | ▲ 3 | 0 | engine | 73 | — |
| 1984 — | Coors 420 | Nashville Speedway ST | 41 | Ronnie Thomas Racing | 23 | 23 | — | 2 | running | 99 | — |
| 1984 — | Winston 500 | Talladega Superspeedway SS | 41 | Ronnie Thomas Racing | 27 | 20 | ▲ 7 | 0 | running | 103 | — |
| 1984 — | Sovran Bank 500 | Martinsville Speedway ST | 41 | Ronnie Thomas Racing | 20 | 30 | ▼ 10 | 0 | engine | 73 | — |
| 1984 — | Transouth 500 | Darlington Raceway INT | 41 | Ronnie Thomas Racing | 36 | 28 | ▲ 8 | 0 | engine | 79 | — |
| 1984 — | Northwestern Bank 400 | North Wilkesboro Speedway ST | 41 | Ronnie Thomas Racing | 25 | 26 | ▼ 1 | 0 | running | 85 | — |
| 1984 — | Valleydale 500 | Bristol Motor Speedway ST | 41 | Ronnie Thomas Racing | 26 | 15 | ▲ 11 | 0 | running | 118 | — |
| 1984 — | Coca-Cola 500 | Atlanta Motor Speedway INT | 41 | Ronnie Thomas Racing | 33 | 25 | ▲ 8 | 0 | running | 88 | — |
| 1984 — | Warner W. Hodgdon Carolina 500 | North Carolina Motor Speedway INT | 41 | Ronnie Thomas Racing | 30 | 32 | ▼ 2 | 0 | engine | 67 | — |
| 1984 — | Miller High Life 400 | Richmond Raceway ST | 41 | Ronnie Thomas Racing | 20 | 31 | ▼ 11 | 0 | rear end | 70 | — |
| 1984 — | Daytona 500 | Daytona International Speedway SS | 41 | Ronnie Thomas Racing | 38 | 24 | ▲ 14 | 0 | rear end | 91 | — |
| 1983 — | Winston Western 500 | Riverside International Raceway RC | 41 | Ronnie Thomas Racing | 31 | 27 | ▲ 4 | 0 | differential | 82 | — |
| 1983 — | Warner W. Hodgdon American 500 | North Carolina Motor Speedway INT | 41 | Ronnie Thomas Racing | 20 | 19 | ▲ 1 | 0 | running | 106 | — |
| 1983 — | Holly Farms 400 | North Wilkesboro Speedway ST | 41 | Ronnie Thomas Racing | 20 | 21 | ▼ 1 | 0 | running | 100 | — |
| 1983 — | Goody's 500 | Martinsville Speedway ST | 41 | Ronnie Thomas Racing | 25 | 21 | ▲ 4 | 0 | overheating | 100 | — |
| 1983 — | Budweiser 500 | Dover International Speedway INT | 41 | Ronnie Thomas Racing | 29 | 24 | ▲ 5 | 0 | engine | 91 | — |
| 1983 — | Wrangler Sanforset 400 | Richmond Raceway ST | 41 | Ronnie Thomas Racing | 26 | 17 | ▲ 9 | 0 | running | 112 | — |
| 1983 — | Southern 500 | Darlington Raceway INT | 41 | Ronnie Thomas Racing | 36 | 30 | ▲ 6 | 0 | engine | 73 | — |
| 1983 — | Busch 500 | Bristol Motor Speedway ST | 41 | Ronnie Thomas Racing | 28 | 12 | ▲ 16 | 0 | running | 127 | — |
| 1983 — | Talladega 500 | Talladega Superspeedway SS | 41 | Ronnie Thomas Racing | 37 | 20 | ▲ 17 | 0 | running | 103 | — |
| 1983 — | Like Cola 500 | Pocono Raceway INT | 41 | Ronnie Thomas Racing | 33 | 20 | ▲ 13 | 1 | running | 108 | — |
| 1983 — | Busch Nashville 420 | Nashville Speedway ST | 41 | Ronnie Thomas Racing | 22 | 23 | ▼ 1 | 0 | running | 94 | — |
| 1983 — | Firecracker 400 | Daytona International Speedway SS | 41 | Ronnie Thomas Racing | 27 | 24 | ▲ 3 | 0 | running | 91 | — |
| 1983 — | Gabriel 400 | Michigan International Speedway INT | 41 | Ronnie Thomas Racing | 32 | 24 | ▲ 8 | 0 | running | 91 | — |
| 1983 — | Van Scoy Diamond Mine 500 | Pocono Raceway INT | 41 | Ronnie Thomas Racing | 38 | 21 | ▲ 17 | 0 | running | 100 | — |
| 1983 — | Budweiser 400 | Riverside International Raceway RC | 41 | Ronnie Thomas Racing | 32 | 33 | ▼ 1 | 0 | engine | 64 | — |
| 1983 — | Valleydale 500 | Bristol Motor Speedway ST | 41 | Ronnie Thomas Racing | 18 | 15 | ▲ 3 | 0 | running | 118 | — |
| 1983 — | Mason-Dixon 500 | Dover International Speedway INT | 41 | Ronnie Thomas Racing | 21 | 25 | ▼ 4 | 0 | engine | 88 | — |
| 1983 — | Marty Robbins 420 | Nashville Speedway ST | 41 | Ronnie Thomas Racing | 22 | 15 | ▲ 7 | 0 | running | 118 | — |
| 1983 — | Winston 500 | Talladega Superspeedway SS | 41 | Ronnie Thomas Racing | 42 | 35 | ▲ 7 | 0 | camshaft | 58 | — |
| 1983 — | Virginia National Bank 500 | Martinsville Speedway ST | 41 | Ronnie Thomas Racing | 29 | 18 | ▲ 11 | 0 | accident | 109 | — |
| 1983 — | Northwestern Bank 400 | North Wilkesboro Speedway ST | 41 | Ronnie Thomas Racing | 28 | 17 | ▲ 11 | 0 | running | 112 | — |
| 1983 — | Transouth 500 | Darlington Raceway INT | 41 | Ronnie Thomas Racing | 33 | 24 | ▲ 9 | 0 | engine | 91 | — |
| 1983 — | Coca-Cola 500 | Atlanta Motor Speedway INT | 41 | Ronnie Thomas Racing | 41 | 24 | ▲ 17 | 0 | running | 91 | — |
| 1983 — | Warner W. Hodgdon Carolina 500 | North Carolina Motor Speedway INT | 41 | Ronnie Thomas Racing | 25 | 27 | ▼ 2 | 0 | engine | 82 | — |
| 1983 — | Richmond 400 | Richmond Raceway ST | 41 | Matthews Racing | 20 | 23 | ▼ 3 | 0 | running | 94 | — |
| 1983 — | Daytona 500 | Daytona International Speedway SS | 41 | Ronnie Thomas Racing | 36 | 17 | ▲ 19 | 0 | running | 112 | — |
| 1982 — | Warner W. Hodgdon American 500 | North Carolina Motor Speedway INT | 25 | Ronnie Thomas Racing | 35 | 30 | ▲ 5 | 0 | oil pressure | 73 | — |
| 1982 — | Old Dominion 500 | Martinsville Speedway ST | 25 | Ronnie Thomas Racing | 26 | 25 | ▲ 1 | 0 | quit | 0 | — |
| 1982 — | National 500 | Charlotte Motor Speedway INT | 42 | Ronnie Thomas Racing | 38 | 37 | ▲ 1 | 0 | broken valve | 52 | — |
| 1982 — | Holly Farms 400 | North Wilkesboro Speedway ST | 25 | Ronnie Thomas Racing | 23 | 29 | ▼ 6 | 0 | rear end | 76 | — |
| 1982 — | CRC Chemicals 500 | Dover International Speedway INT | 25 | Ronnie Thomas Racing | 26 | 31 | ▼ 5 | 0 | engine | 0 | — |
| 1982 — | Wrangler Sanforset 400 | Richmond Raceway ST | 25 | Ronnie Thomas Racing | 26 | 23 | ▲ 3 | 0 | running | 0 | — |
| 1982 — | Southern 500 | Darlington Raceway INT | 42 | Ronnie Thomas Racing | 38 | 38 | — | 0 | cylinder | 0 | — |
| 1982 — | Busch 500 | Bristol Motor Speedway ST | 25 | Ronnie Thomas Racing | 29 | 28 | ▲ 1 | 0 | overheating | 79 | — |
| 1982 — | Champion Spark Plug 400 | Michigan International Speedway INT | 42 | Ronnie Thomas Racing | 38 | 17 | ▲ 21 | 0 | running | 0 | — |
| 1982 — | Mountain Dew 500 | Pocono Raceway INT | 42 | Ronnie Thomas Racing | 20 | 32 | ▼ 12 | 0 | transmission | 67 | — |
| 1982 — | Gabriel 400 | Michigan International Speedway INT | 25 | Ronnie Thomas Racing | 34 | 35 | ▼ 1 | 0 | engine | 58 | — |
| 1982 — | Van Scoy Diamond Mine 500 | Pocono Raceway INT | 24 | Gordon Racing | 34 | 23 | ▲ 11 | 0 | broken valve | 94 | — |
| 1982 — | Mason-Dixon 500 | Dover International Speedway INT | 24 | Gordon Racing | 23 | 23 | — | 0 | broken valve | 94 | — |
| 1982 — | Cracker Barrel Country Store 420 | Nashville Speedway ST | 25 | Ronnie Thomas Racing | 27 | 24 | ▲ 3 | 0 | engine | 91 | — |
| 1982 — | Northwestern Bank 400 | North Wilkesboro Speedway ST | 25 | Ronnie Thomas Racing | 30 | 23 | ▲ 7 | 0 | rear end | 94 | — |
| 1982 — | CRC Chemicals Rebel 500 | Darlington Raceway INT | 25 | Ronnie Thomas Racing | 32 | 13 | ▲ 19 | 0 | running | 124 | — |
| 1982 — | Warner W. Hodgdon Carolina 500 | North Carolina Motor Speedway INT | 25 | Ronnie Thomas Racing | 33 | 20 | ▲ 13 | 0 | running | 103 | — |
| 1982 — | Valleydale 500 | Bristol Motor Speedway ST | 25 | Ronnie Thomas Racing | 30 | 25 | ▲ 5 | 0 | ignition | 88 | — |
| 1981 — | National 500 | Charlotte Motor Speedway INT | 40 | Ulrich Racing | 32 | 32 | — | 0 | ignition | 67 | — |
| 1981 — | Holly Farms 400 | North Wilkesboro Speedway ST | 25 | Ronnie Thomas Racing | 23 | 17 | ▲ 6 | 0 | running | 112 | — |
| 1981 — | Old Dominion 500 | Martinsville Speedway ST | 25 | Ronnie Thomas Racing | 29 | 27 | ▲ 2 | 0 | engine | 82 | — |
| 1981 — | CRC Chemicals 500 | Dover International Speedway INT | 25 | Ronnie Thomas Racing | 27 | 20 | ▲ 7 | 0 | running | 103 | — |
| 1981 — | Wrangler Sanforset 400 | Richmond Raceway ST | 25 | Ronnie Thomas Racing | 25 | 24 | ▲ 1 | 0 | running | 91 | — |
| 1981 — | Southern 500 | Darlington Raceway INT | 25 | Ronnie Thomas Racing | 37 | 27 | ▲ 10 | 0 | running | 82 | — |
| 1981 — | Busch 500 | Bristol Motor Speedway ST | 25 | Ronnie Thomas Racing | 21 | 18 | ▲ 3 | 0 | running | 109 | — |
| 1981 — | Mountain Dew 500 | Pocono Raceway INT | 25 | Ronnie Thomas Racing | 28 | 35 | ▼ 7 | 0 | cylinder | 58 | — |
| 1981 — | Busch Nashville 420 | Nashville Speedway ST | 25 | Ronnie Thomas Racing | 24 | 14 | ▲ 10 | 0 | running | 121 | — |
| 1981 — | Gabriel 400 | Michigan International Speedway INT | 25 | Ronnie Thomas Racing | 35 | 25 | ▲ 10 | 0 | running | 88 | — |
| 1981 — | Warner W. Hodgdon 400 | Riverside International Raceway RC | 25 | Ronnie Thomas Racing | 34 | 34 | — | 0 | engine | 61 | — |
| 1981 — | Budweiser NASCAR 400 | Texas World Speedway SS | 25 | Ronnie Thomas Racing | 23 | 20 | ▲ 3 | 0 | running | 103 | — |
| 1981 — | World 600 | Charlotte Motor Speedway INT | 25 | Ronnie Thomas Racing | 37 | 22 | ▲ 15 | 0 | running | 97 | — |
| 1981 — | Mason-Dixon 500 | Dover International Speedway INT | 25 | Ronnie Thomas Racing | 27 | 24 | ▲ 3 | 0 | oil leak | 91 | — |
| 1981 — | Winston 500 | Talladega Superspeedway SS | 40 | Price Racing | 38 | 26 | ▲ 12 | 0 | oil line | 85 | — |
| 1981 — | Virginia 500 | Martinsville Speedway ST | 25 | Ronnie Thomas Racing | 19 | 31 | ▼ 12 | 0 | accident | 70 | — |
| 1981 — | CRC Chemical Rebel 500 | Darlington Raceway INT | 25 | Ronnie Thomas Racing | 28 | 20 | ▲ 8 | 0 | running | 103 | — |
| 1981 — | Northwestern Bank 400 | North Wilkesboro Speedway ST | 25 | Ronnie Thomas Racing | 15 | 12 | ▲ 3 | 0 | running | 127 | — |
| 1981 — | Valleydale 500 | Bristol Motor Speedway ST | 25 | Ronnie Thomas Racing | 10 | 18 | ▼ 8 | 0 | running | 109 | — |
| 1981 — | Coca-Cola 500 | Atlanta Motor Speedway INT | 25 | Ronnie Thomas Racing | 42 | 31 | ▲ 11 | 0 | clutch | 70 | — |
| 1981 — | Carolina 500 | North Carolina Motor Speedway INT | 25 | Ronnie Thomas Racing | 23 | 11 | ▲ 12 | 0 | running | 130 | — |
| 1981 — | Richmond 400 | Richmond Raceway ST | 25 | Ronnie Thomas Racing | 13 | 21 | ▼ 8 | 0 | running | 100 | — |
| 1981 — | Daytona 500 | Daytona International Speedway SS | 25 | Ronnie Thomas Racing | 19 | 28 | ▼ 9 | 0 | clutch | 79 | — |
| 1980 — | Los Angeles Times 500 | Ontario Motor Speedway SS | 25 | Robertson Racing | 26 | 38 | ▼ 12 | 0 | brakes | 49 | — |
| 1980 — | Atlanta Journal 500 | Atlanta Motor Speedway INT | 25 | Robertson Racing | 27 | 8 | ▲ 19 | 0 | running | 142 | — |
| 1980 — | American 500 | North Carolina Motor Speedway INT | 25 | Robertson Racing | 28 | 10 | ▲ 18 | 0 | running | 134 | — |
| 1980 — | Old Dominion 500 | Martinsville Speedway ST | 25 | Robertson Racing | 15 | 18 | ▼ 3 | 0 | sway bar | 109 | — |
| 1980 — | Holly Farms 400 | North Wilkesboro Speedway ST | 25 | Robertson Racing | 13 | 25 | ▼ 12 | 0 | accident | 88 | — |
| 1980 — | CRC Chemicals 500 | Dover International Speedway INT | 25 | Robertson Racing | 21 | 10 | ▲ 11 | 0 | running | 134 | — |
| 1980 — | Capital City 400 | Richmond Raceway ST | 25 | Robertson Racing | 15 | 22 | ▼ 7 | 0 | dead battery | 97 | — |
| 1980 — | Southern 500 | Darlington Raceway INT | 25 | Robertson Racing | 25 | 22 | ▲ 3 | 0 | running | 97 | — |
| 1980 — | Busch Volunteer 500 | Bristol Motor Speedway ST | 25 | Robertson Racing | 21 | 29 | ▼ 8 | 0 | engine | 76 | — |
| 1980 — | Champion Spark Plug 400 | Michigan International Speedway INT | 25 | Robertson Racing | 24 | 29 | ▼ 5 | 0 | running | 76 | — |
| 1980 — | Talladega 500 | Talladega Superspeedway SS | 25 | Robertson Racing | 36 | 21 | ▲ 15 | 0 | clutch | 100 | — |
| 1980 — | Coca-Cola 500 | Pocono Raceway INT | 25 | Robertson Racing | 19 | 23 | ▼ 4 | 0 | engine | 94 | — |
| 1980 — | Busch Nashville 420 | Nashville Speedway ST | 25 | Robertson Racing | 16 | 26 | ▼ 10 | 0 | ball joint | 85 | — |
| 1980 — | Firecracker 400 | Daytona International Speedway SS | 25 | Robertson Racing | 30 | 17 | ▲ 13 | 0 | running | 112 | — |
| 1980 — | Gabriel 400 | Michigan International Speedway INT | 25 | Robertson Racing | 29 | 30 | ▼ 1 | 0 | running | 73 | — |
| 1980 — | Warner W. Hodgdon 400 | Riverside International Raceway RC | 25 | Robertson Racing | 16 | 16 | — | 0 | running | 115 | — |
| 1980 — | NASCAR 400 | Texas World Speedway SS | 25 | Robertson Racing | 17 | 11 | ▲ 6 | 0 | running | 130 | — |
| 1980 — | World 600 | Charlotte Motor Speedway INT | 25 | Robertson Racing | 42 | 22 | ▲ 20 | 0 | running | 97 | — |
| 1980 — | Mason-Dixon 500 | Dover International Speedway INT | 25 | Robertson Racing | 12 | 11 | ▲ 1 | 0 | running | 130 | — |
| 1980 — | Music City 420 | Nashville Speedway ST | 25 | Robertson Racing | 27 | 21 | ▲ 6 | 0 | running | 100 | — |
| 1980 — | Winston 500 | Talladega Superspeedway SS | 25 | Robertson Racing | 41 | 20 | ▲ 21 | 0 | running | 103 | — |
| 1980 — | Virginia 500 | Martinsville Speedway ST | 25 | Robertson Racing | 21 | 22 | ▼ 1 | 0 | running | 97 | — |
| 1980 — | Northwestern Bank 400 | North Wilkesboro Speedway ST | 25 | Robertson Racing | 11 | 23 | ▼ 12 | 0 | accident | 94 | — |
| 1980 — | CRC Chemicals Rebel 500 | Darlington Raceway INT | 25 | Robertson Racing | 22 | 26 | ▼ 4 | 0 | engine | 85 | — |
| 1980 — | Valleydale Southeastern 500 | Bristol Motor Speedway ST | 25 | Robertson Racing | 17 | 12 | ▲ 5 | 0 | running | 127 | — |
| 1980 — | Atlanta 500 | Atlanta Motor Speedway INT | 25 | Robertson Racing | 26 | 22 | ▲ 4 | 0 | broken valve | 97 | — |
| 1980 — | Carolina 500 | North Carolina Motor Speedway INT | 25 | Robertson Racing | 28 | 11 | ▲ 17 | 0 | running | 130 | — |
| 1980 — | Richmond 400 | Richmond Raceway ST | 25 | Robertson Racing | 22 | 26 | ▼ 4 | 0 | broken valve | 85 | — |
| 1980 — | Daytona 500 | Daytona International Speedway SS | 25 | Robertson Racing | 33 | 29 | ▲ 4 | 0 | engine | 76 | — |
| 1980 — | Winston Western 500 | Riverside International Raceway RC | 25 | Robertson Racing | 14 | 10 | ▲ 4 | 0 | running | 134 | — |
| 1979 — | Los Angeles Times 500 | Ontario Motor Speedway SS | 25 | Robertson Racing | 18 | 27 | ▼ 9 | 0 | engine | 82 | — |
| 1979 — | Dixie 500 | Atlanta Motor Speedway INT | 25 | Robertson Racing | 23 | 28 | ▼ 5 | 0 | engine | 79 | — |
| 1979 — | American 500 | North Carolina Motor Speedway INT | 25 | Robertson Racing | 20 | 8 | ▲ 12 | 0 | running | 142 | — |
| 1979 — | Holly Farms 400 | North Wilkesboro Speedway ST | 25 | Robertson Racing | 13 | 7 | ▲ 6 | 0 | running | 146 | — |
| 1979 — | NAPA National 500 | Charlotte Motor Speedway INT | 25 | Robertson Racing | 26 | 38 | ▼ 12 | 0 | oil leak | 49 | — |
| 1979 — | Old Dominion 500 | Martinsville Speedway ST | 25 | Robertson Racing | 24 | 20 | ▲ 4 | 0 | running | 103 | — |
| 1979 — | CRC Chemicals 500 | Dover International Speedway INT | 25 | Robertson Racing | 22 | 24 | ▼ 2 | 0 | running | 91 | — |
| 1979 — | Capital City 400 | Richmond Raceway ST | 25 | Robertson Racing | 17 | 23 | ▼ 6 | 0 | engine | 94 | — |
| 1979 — | Southern 500 | Darlington Raceway INT | 25 | Robertson Racing | 28 | 24 | ▲ 4 | 0 | running | 91 | — |
| 1979 — | Volunteer 500 | Bristol Motor Speedway ST | 25 | Robertson Racing | 13 | 27 | ▼ 14 | 0 | engine | 82 | — |
| 1979 — | Champion Spark Plug 400 | Michigan International Speedway INT | 25 | Robertson Racing | 32 | 24 | ▲ 8 | 0 | overheating | 91 | — |
| 1979 — | Talladega 500 | Talladega Superspeedway SS | 25 | Robertson Racing | 32 | 22 | ▲ 10 | 0 | engine | 97 | — |
| 1979 — | Coca-Cola 500 | Pocono Raceway INT | 25 | Robertson Racing | 17 | 14 | ▲ 3 | 0 | running | 121 | — |
| 1979 — | Busch Nashville 420 | Nashville Speedway ST | 25 | Robertson Racing | 21 | 9 | ▲ 12 | 0 | running | 138 | — |
| 1979 — | Gabriel 400 | Michigan International Speedway INT | 25 | Robertson Racing | 17 | 27 | ▼ 10 | 1 | oil pressure | 87 | — |
| 1979 — | NAPA Riverside 400 | Riverside International Raceway RC | 25 | Robertson Racing | 18 | 23 | ▼ 5 | 0 | running | 94 | — |
| 1979 — | Texas 400 | Texas World Speedway SS | 25 | Robertson Racing | 15 | 26 | ▼ 11 | 0 | wheel stud | 85 | — |
| 1979 — | World 600 | Charlotte Motor Speedway INT | 0 | John Kennedy (Owner) | 29 | 14 | ▲ 15 | 0 | running | 121 | — |
| 1979 — | Mason-Dixon 500 | Dover International Speedway INT | 25 | Robertson Racing | 23 | 16 | ▲ 7 | 0 | running | 115 | — |
| 1979 — | Sun-Drop Music City USA 420 | Nashville Speedway ST | 25 | Ronnie Thomas Racing | 25 | 17 | ▲ 8 | 0 | running | 112 | — |
| 1979 — | Winston 500 | Talladega Superspeedway SS | 25 | Robertson Racing | 40 | 25 | ▲ 15 | 0 | camshaft | 88 | — |
| 1979 — | Virginia 500 | Martinsville Speedway ST | 25 | Robertson Racing | 26 | 20 | ▲ 6 | 0 | running | 103 | — |
| 1979 — | CRC Chemicals Rebel 500 | Darlington Raceway INT | 25 | Robertson Racing | 36 | 24 | ▲ 12 | 0 | running | 91 | — |
| 1979 — | Southeastern 500 | Bristol Motor Speedway ST | 25 | Robertson Racing | 18 | 23 | ▼ 5 | 0 | accident | 94 | — |
| 1979 — | Northwestern Bank 400 | North Wilkesboro Speedway ST | 25 | Robertson Racing | 20 | 28 | ▼ 8 | 0 | accident | 79 | — |
| 1979 — | Atlanta 500 | Atlanta Motor Speedway INT | 25 | Robertson Racing | 39 | 34 | ▲ 5 | 0 | handling | 61 | — |
| 1979 — | Richmond 400 | Richmond Raceway ST | 25 | Robertson Racing | 22 | 17 | ▲ 5 | 0 | running | 112 | — |
| 1979 — | Carolina 500 | North Carolina Motor Speedway INT | 25 | Robertson Racing | 22 | 29 | ▼ 7 | 0 | steering | 76 | — |
| 1979 — | Daytona 500 | Daytona International Speedway SS | 25 | Robertson Racing | 41 | 34 | ▲ 7 | 0 | piston | 61 | — |
| 1979 — | Winston Western 500 | Riverside International Raceway RC | 25 | Robertson Racing | 24 | 12 | ▲ 12 | 0 | running | 127 | — |
| 1978 — | Los Angeles Times 500 | Ontario Motor Speedway SS | 25 | Robertson Racing | 32 | 30 | ▲ 2 | 0 | engine | 73 | — |
| 1978 — | Dixie 500 | Atlanta Motor Speedway INT | 25 | Robertson Racing | 40 | 15 | ▲ 25 | 0 | running | 118 | — |
| 1978 — | American 500 | North Carolina Motor Speedway INT | 25 | Robertson Racing | 22 | 33 | ▼ 11 | 0 | engine | 64 | — |
| 1978 — | Wilkes 400 | North Wilkesboro Speedway ST | 25 | Robertson Racing | 12 | 19 | ▼ 7 | 0 | running | 106 | — |
| 1978 — | Old Dominion 500 | Martinsville Speedway ST | 25 | Robertson Racing | 21 | 16 | ▲ 5 | 0 | running | 115 | — |
| 1978 — | Delaware 500 | Dover International Speedway INT | 25 | Negre Racing | 16 | 11 | ▲ 5 | 0 | running | 130 | — |
| 1978 — | Capital City 400 | Richmond Raceway ST | 25 | Robertson Racing | 17 | 14 | ▲ 3 | 0 | running | 121 | — |
| 1978 — | Southern 500 | Darlington Raceway INT | 25 | Robertson Racing | 28 | 9 | ▲ 19 | 0 | running | 138 | — |
| 1978 — | Volunteer 500 | Bristol Motor Speedway ST | 25 | Robertson Racing | 7 | 11 | ▼ 4 | 0 | running | 130 | — |
| 1978 — | Champion Spark Plug 400 | Michigan International Speedway INT | 25 | Robertson Racing | 25 | 26 | ▼ 1 | 0 | engine | 85 | — |
| 1978 — | Talladega 500 | Talladega Superspeedway SS | 25 | Robertson Racing | 35 | 24 | ▲ 11 | 0 | running | 91 | — |
| 1978 — | Coca-Cola 500 | Pocono Raceway INT | 25 | Robertson Racing | 29 | 33 | ▼ 4 | 0 | rear end | 64 | — |
| 1978 — | Nashville 420 | Nashville Speedway ST | 25 | Robertson Racing | 26 | 10 | ▲ 16 | 0 | running | 134 | — |
| 1978 — | Firecracker 400 | Daytona International Speedway SS | 25 | Robertson Racing | 38 | 25 | ▲ 13 | 0 | running | 88 | — |
| 1978 — | Gabriel 400 | Michigan International Speedway INT | 25 | Robertson Racing | 24 | 18 | ▲ 6 | 0 | running | 109 | — |
| 1978 — | NAPA Riverside 400 | Riverside International Raceway RC | 25 | Robertson Racing | 24 | 25 | ▼ 1 | 0 | transmission | 88 | — |
| 1978 — | Music City USA 420 | Nashville Speedway ST | 25 | Robertson Racing | 19 | 15 | ▲ 4 | 0 | running | 118 | — |
| 1978 — | World 600 | Charlotte Motor Speedway INT | 25 | Robertson Racing | 37 | 30 | ▲ 7 | 0 | steering | 73 | — |
| 1978 — | Mason-Dixon 500 | Dover International Speedway INT | 25 | Robertson Racing | 26 | 32 | ▼ 6 | 0 | engine | 67 | — |
| 1978 — | Winston 500 | Talladega Superspeedway SS | 25 | Robertson Racing | 30 | 14 | ▲ 16 | 0 | running | 121 | — |
| 1978 — | Virginia 500 | Martinsville Speedway ST | 25 | Robertson Racing | 28 | 20 | ▲ 8 | 0 | sump pump | 103 | — |
| 1978 — | Staley 400 | North Wilkesboro Speedway ST | 25 | Robertson Racing | 20 | 21 | ▼ 1 | 0 | handling | 100 | — |
| 1978 — | Rebel 500 | Darlington Raceway INT | 25 | Robertson Racing | 31 | 31 | — | 0 | accident | 70 | — |
| 1978 — | Southeastern 500 | Bristol Motor Speedway ST | 25 | Robertson Racing | 13 | 20 | ▼ 7 | 0 | broken valve | 103 | — |
| 1978 — | Atlanta 500 | Atlanta Motor Speedway INT | 25 | Robertson Racing | 33 | 24 | ▲ 9 | 0 | running | 91 | — |
| 1978 — | Carolina 500 | North Carolina Motor Speedway INT | 25 | Robertson Racing | 24 | 13 | ▲ 11 | 0 | running | 124 | — |
| 1978 — | Richmond 400 | Richmond Raceway ST | 25 | Robertson Racing | 24 | 18 | ▲ 6 | 0 | running | 109 | — |
| 1977 — | American 500 | North Carolina Motor Speedway INT | 25 | Robertson Racing | 28 | 30 | ▼ 2 | 0 | rear end | 73 | — |
| 1977 — | Old Dominion 500 | Martinsville Speedway ST | 25 | Robertson Racing | 26 | 19 | ▲ 7 | 0 | engine | 106 | — |
| 1977 — | Delaware 500 | Dover International Speedway INT | 25 | Robertson Racing | 28 | 25 | ▲ 3 | 0 | running | 88 | — |
| 1977 — | Coca-Cola 500 | Pocono Raceway INT | 25 | Robertson Racing | 30 | 33 | ▼ 3 | 0 | accident | 64 | — |