NASCAR Grand National race number 13 of 49
April 17, 1966 at North Wilkesboro Speedway, North Wilkesboro, NC
400 laps on a .625 mile paved track (250.0 miles)
Time of race: 2:50:22
Average Speed: 89.045 mph
Pole Speed: 102.693 mph
Cautions: 8 for 48 laps
Margin of Victory: 6 laps +
Attendance: 6,000
Lead changes: 6