IROC VIII was the eighth year of IROC competition, which took place in 1984. It saw the use of the Chevrolet Camaro in all races, and was the first incarnation of the IROC format in which twelve drivers from different series compete in all four races. Races one and four took place at Michigan International Speedway, while race two took place at Burke Lakefront Airport, and race three ran on the Talladega Superspeedway. Cale Yarborough won one race en route to the championship and $150,000. This season was the first of three straight that television coverage was on CBS. The roster of drivers and final points standings were as follows:

Race results

Race One, Michigan International Speedway

Saturday, June 16, 1984 (5) Indicates 5 bonus points added to normal race points scored for leading the most laps. (3) Indicates 3 bonus points added to normal race points scored for leading the 2nd most laps (2) Indicates 2 bonus points added to normal race points scored for leading the 3rd most laps. Average speed: 145.985 mph Cautions: n/a Margin of victory: 3 cl Lead changes: 9

Race Two, Burke Lakefront Airport

Saturday, July 7, 1984 (5) Indicates 5 bonus points added to normal race points scored for leading the most laps. (3) Indicates 3 bonus points added to normal race points scored for leading the 2nd most laps (2) Indicates 2 bonus points added to normal race points scored for leading the 3rd most laps (did not occur in this race so not awarded). Average speed: 99.053 mph Cautions: n/a Margin of victory: 8 sec Lead changes: 2

Race Three, Talladega Superspeedway

Saturday, July 28, 1984 (5) Indicates 5 bonus points added to normal race points scored for leading the most laps. (3) Indicates 3 bonus points added to normal race points scored for leading the 2nd most laps (2) Indicates 2 bonus points added to normal race points scored for leading the 3rd most laps. Average speed: 179.02 mph Cautions: 1 (Lap 1, Neil Bonnett & Derek Bell accident) Margin of victory: 8 inches Lead changes: 4

Race Four, Michigan International Speedway

Saturday, August 11, 1984 (5) Indicates 5 bonus points added to normal race points scored for leading the most laps. (3) Indicates 3 bonus points added to normal race points scored for leading the 2nd most laps (2) Indicates 2 bonus points added to normal race points scored for leading the 3rd most laps (did not occur in this race so not awarded). Average speed: 148.392 mph Cautions: n/a Margin of victory: 3 feet Lead changes: 2