1978 G.C. Spencer NASCAR Winston Cup statistics
Back to G.C. Spencer career stats
| Race # | Track | Driver | Start | Finish | Car # | Sponsor | Engine | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points |
| 2 | Daytona | Claude Ballot-Léna | 35 | 22 | 49 | JMS | Dodge | 190 | 0 | 0 | running | 2835 | 0 | ||
| 5 | Atlanta | Connie Saylor | 32 | 8 | 49 | Lady & Son | Dodge | 316 | 0 | 0 | accident | 2450 | 142 | ||
| 10 | Talladega | Claude Ballot-Léna | 25 | 18 | 49 | Lady & Son | Dodge | 177 | 0 | 0 | running | 2800 | 0 | ||
| 12 | Charlotte | Connie Saylor | 18 | 34 | 49 | Lady & Son | Dodge | 184 | 0 | 0 | engine | 1315 | 61 | ||
| 16 | Daytona | Claude Ballot-Léna | 27 | 35 | 49 | Lady & Son | Dodge | 45 | 0 | 0 | oil cooler | 1005 | 0 | ||
| 19 | Talladega | Claude Ballot-Léna | 16 | 37 | 49 | JMS | Dodge | 48 | 0 | 0 | engine | 1130 | 0 | ||
| 27 | Charlotte | Connie Saylor | 32 | 16 | 49 | Lady & Son | Dodge | 320 | 0 | 0 | running | 3790 | 115 |
