The 1992 Miller Genuine Draft 400 was a Winston Cup (now Nextel Cup) event held at Michigan International Speedway on June 21, 1992. Davey Allison won the pole, led 158 of the 200 laps and rolled away to 3.31-second victory on Darrell Waltrip. Allison expanded his points lead with his triumph, holding a margin of 67 points on Bill Elliott (10th). Stats