1977 Champion Spark Plug 400
| Race details | |||
|---|---|---|---|
| Race 20 of 30 in the 1977 NASCAR Winston Cup Series season | |||
|
1977 Champion Spark Plug 400 program cover | |||
| Date | August 22, 1977 | ||
| Official name | Champion Spark Plug 400 | ||
| Location | Michigan International Speedway, Brooklyn, Michigan | ||
| Course | Permanent racing facility | ||
| Course length | 2.000 miles (3.218 km) | ||
| Distance | 200 laps, 400 mi (643 km) | ||
| Weather | Mild with temperatures of 78.1 °F (25.6 °C); wind speeds up to 14 miles per hour (23 km/h) | ||
| Average speed | 137.944 miles per hour (221.999 km/h) | ||
| Attendance | 35,000 | ||
| Pole position | |||
| Driver | Wood Brothers Racing | ||
| Most laps led | |||
| Driver | Cale Yarborough | Junior Johnson & Associates | |
| Laps | 120 | ||
| Winner | |||
| No. 88 | Darrell Waltrip | DiGard Motorsports | |
| Television in the United States | |||
| Network | untelevised | ||
| Announcers | none | ||
The 1977 Champion Spark Plug 400 was a NASCAR Winston Cup Series racing event that took place on August 22, 1977, at Michigan International Speedway in Brooklyn, Michigan.