Supercars legends Marcos Ambrose and Dick Johnson made a rare racetrack outing on the Thursday of the Superloop Adelaide 500. The champions took part in a special demonstration to mark the race debut of the new Ford Mustang Supercar. Ambrose jumped back into a NASCAR, a fully-fledged 2019 Mustang, Johnson a Supercar and Scott McLaughlin drove a road-going version of the two-door.