| 1968 — | Peach State 200 | Jeffco Speedway ST | 09 | Roy Tyner (Owner) | 26 | 22 | ▲ 4 | 0 | running | 35 | — |
| 1968 — | National 500 | Charlotte Motor Speedway INT | 51 | Margo Hamm (Owner) | 31 | 44 | ▼ 13 | 0 | rear end | 27 | — |
| 1968 — | Augusta 200 | Augusta International Speedway DIRT | 51 | Margo Hamm (Owner) | 11 | 16 | ▼ 5 | 0 | rear end | 35 | — |
| 1968 — | Wilkes 400 | North Wilkesboro Speedway ST | 76 | Don Culpepper (Owner) | 24 | 20 | ▲ 4 | 0 | running | 64 | — |
| 1968 — | Old Dominion 500 | Martinsville Speedway ST | 51 | Margo Hamm (Owner) | 33 | 18 | ▲ 15 | 0 | running | 66 | — |
| 1968 — | Hillsboro 150 | Occoneechee Speedway DIRT | 51 | Margo Hamm (Owner) | 18 | 23 | ▼ 5 | 0 | axle | 29 | — |
| 1968 — | Maryland 300 | Beltsville Speedway ST | 51 | Margo Hamm (Owner) | 15 | 21 | ▼ 6 | 0 | axle | 31 | — |
| 1968 — | Crabber 250 | Langley Field Speedway DIRT | 51 | Margo Hamm (Owner) | 22 | 21 | ▲ 1 | 0 | engine | 31 | — |
| 1968 — | 107 Miles at South Boston Speedway | South Boston Speedway DIRT | 51 | Margo Hamm (Owner) | 16 | 11 | ▲ 5 | 0 | running | 41 | — |
| 1968 — | Western North Carolina 500 | Asheville-Weaverville Speedway DIRT | 51 | Margo Hamm (Owner) | 17 | 24 | ▼ 7 | 0 | overheating | 58 | — |
| 1968 — | Sandlapper 200 | Columbia Speedway DIRT | 51 | Margo Hamm (Owner) | 24 | 23 | ▲ 1 | 0 | overheating | 30 | — |
| 1968 — | Dixie 500 | Atlanta Motor Speedway INT | 51 | Margo Hamm (Owner) | 38 | 29 | ▲ 9 | 0 | ignition | 66 | — |
| 1968 — | Nashville 400 | Nashville Speedway ST | 51 | Margo Hamm (Owner) | 20 | 14 | ▲ 6 | 0 | engine | 38 | — |
| 1968 — | Smokey Mountain 200 | Smokey Mountain Raceway DIRT | 51 | Margo Hamm (Owner) | 15 | 21 | ▼ 6 | 0 | differential | 32 | — |
| 1968 — | Volunteer 500 | Bristol Motor Speedway ST | 51 | Margo Hamm (Owner) | 25 | 33 | ▼ 8 | 0 | differential | 44 | — |
| 1968 — | Northern 300 | Trenton Speedway INT | 51 | Margo Hamm (Owner) | 34 | 25 | ▲ 9 | 0 | differential | 54 | — |
| 1968 — | Fonda 200 | Fonda Speedway DIRT | 51 | Margo Hamm (Owner) | 5 | 20 | ▼ 15 | 0 | engine | 31 | — |
| 1968 — | Maine 300 | Oxford Plains Speedway ST | 51 | Margo Hamm (Owner) | 13 | 19 | ▼ 6 | 0 | differential | 32 | — |
| 1968 — | Pickens 200 | Greenville-Pickens Speedway DIRT | 51 | Margo Hamm (Owner) | 18 | 16 | ▲ 2 | 0 | accident | 0 | — |
| 1968 — | Carolina 500 | North Carolina Motor Speedway INT | 51 | Margo Hamm (Owner) | 24 | 16 | ▲ 8 | 0 | drive shaft | 105 | — |
| 1968 — | 100 Miles at Birmingham International Raceway | Birmingham International Raceway DIRT | 51 | Margo Hamm (Owner) | 8 | 16 | ▼ 8 | 0 | overheating | 35 | — |
| 1968 — | 104 Miles at Smokey Mountain Raceway | Smokey Mountain Raceway DIRT | 51 | Margo Hamm (Owner) | 13 | 12 | ▲ 1 | 0 | running | 0 | — |
| 1968 — | Macon 300 | Middle Georgia Raceway ST | 51 | Margo Hamm (Owner) | 18 | 15 | ▲ 3 | 0 | bearing | 36 | — |
| 1968 — | Asheville 300 | New Asheville Speedway ST | 51 | Margo Hamm (Owner) | 10 | 22 | ▼ 12 | 0 | accident | 32 | — |
| 1968 — | Rebel 400 | Darlington Raceway INT | 51 | Margo Hamm (Owner) | 32 | 25 | ▲ 7 | 0 | transmission | 81 | — |
| 1968 — | Fireball 300 | Asheville-Weaverville Speedway DIRT | 51 | Margo Hamm (Owner) | 15 | 10 | ▲ 5 | 0 | running | 41 | — |
| 1968 — | Dixie 250 | Augusta International Speedway DIRT | 51 | Margo Hamm (Owner) | 15 | 23 | ▼ 8 | 0 | ignition | 0 | — |
| 1968 — | Virginia 500 | Martinsville Speedway ST | 51 | Margo Hamm (Owner) | 32 | 30 | ▲ 2 | 0 | steering | 44 | — |
| 1968 — | Gwyn Staley 400 | North Wilkesboro Speedway ST | 51 | Margo Hamm (Owner) | 30 | 18 | ▲ 12 | 0 | running | 66 | — |
| 1968 — | Southeastern 500 | Bristol Motor Speedway ST | 51 | Margo Hamm (Owner) | 30 | 35 | ▼ 5 | 0 | engine | 32 | — |
| 1968 — | Daytona 500 | Daytona International Speedway SS | 51 | Margo Hamm (Owner) | 43 | 41 | ▲ 2 | 0 | brakes | 57 | — |