The 1991 Champion Spark Plug 400 was a Winston Cup (now Nextel Cup) event held at Michigan International Speedway on August 18, 1991. Dale Jarrett won his first career race in thrilling fashion, holding off Davey Allison by just ten inches, a scoring record that would stand for a few years. Points leader Dale Earnhardt struggled to 24th to shrink his gap on Ricky Rudd (11th) to 69 points. Stats