The 1966-31 was an unnamed Nextel Cup event that occured at Oxford Plains Speedway on July 12, 1966. Bobby Allison won his first of eighty-four victories, leading 238 of the 300 laps and holding off Tiny Lund by one lap. 1966 champion David Pearson finished seventh. Stats
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 6 |