The 1994 AC-Delco 500 was a Winston Cup (now Nextel Cup) event held at North Carolina Speedway on October 23, 1994. Dale Earnhardt claimed his fourth and final victory of the year, holding off Rick Mast in a narrow victory. It was Mast's best career finish. Earnhardt also clinched the championship with his effort, leaving the track 448 markers ahead of Rusty Wallace (35th). Stats