1979 Champion Spark Plug 400

Michigan International Speedway is a four-turn superspeedway that is 2 miles (3.2 km) long.

2 as a substitute Dale Earnhardt after his crash at Pocono, earned the pole position with a speed of 162.992 miles per hour (262.310 km/h) .

Rudd ran this car, which was rebuilt by DiGard for Pocono, for his only NASCAR Cop start, which he did with hia NASCAR Hall of Fame Class of 2025 brother Ricky, who drove for Wesley Donlavey that season.

[6] Notable crew chiefs for this race were Buddy Parrott, Joey Arrington, Kirk Shelmerdine, Darrell Bryant, Dale Inman, Harry Hyde, Bud Moore, Tim Brewer, and Jake Elder.

[7] USAC Championship Trail standout Jan Opperman, in a car owned by Will Cronkite was the only driver to not qualify.