G.C. SpencerWinston Cup / Nextel Cup / Sprint Cup / Monster Energy Cup / NASCAR Cup DNQs or WDs Click on the Race Number to see the complete results for that race. |
| Race | Site | Position | # | Sponsor / Owner | Car |
|---|---|---|---|---|---|
| 1963-11 | Atlanta | – | 03 | Ray Fox | Chevrolet |
| 1965-33 | Watkins Glen | WD | 49 | G.C. Spencer | Ford |
| 1972-02 | Daytona | – | 49 | G.C. Spencer | Plymouth |
| 1972-09 | North Wilkesboro | – | 49 | G.C. Spencer | Plymouth |
| 1974-02 | Daytona | – | 49 | Spencer Racing (G.C. Spencer) | Dodge |
| 1974-28 | Charlotte | WD | 49 | Spencer Racing (G.C. Spencer) | Dodge |
| 1977-02 | Daytona | – | 49 | Lady & Son Auction (G.C. Spencer) | Dodge |