followed by not going ahead with a competition version of its V8-powered Charger. Adding to that, the 1972 Hardie-Ferodo 500 was the first Bathurst 500 to be run in wet weather. Allan Moffat was unable to withstand the immense pressure placed on him by Brock in his XU-1. The Torana proved more than a match in the atrocious conditions. After being challenged by Brock's furiously driven XU-1, Moffat was unable to exploit the V8's power advantage and spun early in the race. He also incurred two one-minute penalties for starting the engine while refuelling. Brock, meanwhile, was able to hold off the Phase Three GT-HO of John French and the E49 Charger of Doug Chivas to win the 1972 race, thus temporarily refuting the "no substitute for cubic inches" adage. Brock had pushed the car to its limits in a spectacular display of car control. It was a significant victory for a number of reasons: The first of Brock's nine Bathurst wins which later led to him being nicknamed the "King of the Mountain" and "Peter Perfect". Brock's win also signalled the first Bathurst victory for a six-cylinder engined car, an achievement that would not be repeated until 1991 when the Nissan Skyline GT-R "Godzilla" took the chequered flag. It was also the birth of the Torana legend as this uniquely Australian performance car went on to become one of Australia's most successful touring cars, due in part to numerical supremacy on the track and the withdrawal of Ford and Chrysler from motor racing later in the seventies. 1972 was also the last year that drivers were permitted to drive without co-drivers. The 1972 race was a round of the 1972 Australian Manufacturers' Championship, which was open to Group E Series Production Touring Cars. Group C Era The race was extended from 500 miles to 1000 kilometres in 1973. The increased pace of the cars had resulted in the 500-mile race distance being achieved earlier each year, and since Australia had converted to the metric system the increased distance was considered more appropriate than 800 km for an endurance race. To reduce the threat to public safety, homologation rules were relaxed to permit certain modifications to the race cars. Ostensibly this removed the need to build batches of high speed road cars and improved the durability of the actual race cars. The Group E Series Production Touring Car regulations, which