1966 NASCAR Grand National Series
Number of races televised: 4/49, or 8%
Changes from previous year:
- The Southern 500 returned to being televised, shown on ABC.
- The Firecracker 400, previously shown on ABC, was untelevised.
Number of races televised: 4/49, or 8%
Changes from previous year:
- The Southern 500 returned to being televised, shown on ABC.
- The Firecracker 400, previously shown on ABC, was untelevised.