The 1982 Mason-Dixon 500 was a Winston Cup Series (now Nextel Cup) event held at Dover International Speedway on May 16, 1982. Bobby Allison had a fine day, leading 486 of 500 laps in route to a 3 lap-6 second victory over Dave Marcis. Points leader Terry Labonte finished 4th to hold a 97-point margin on Darrell Waltrip (15th). Stats