<P> 1971 was another Ford victory with Moffat at the wheel . It was won by the ultimate GT - HO, the XY - model Falcon GT - HO Phase Three . This featured upgrades to engine power and aerodynamics, which made it one of the world's fastest four - door mass - produced production cars . Chrysler replaced its Pacers with its new two - door, the Charger . This was powered by a 265 cu in (4.34 l) in - line HEMI six - cylinder engine with triple Weber carburettors . However, by noon on race day, Moffat was far enough in front to pit without losing the lead . Moffat completed the 500 miles first followed by other GTHOs in second and third place and filling six of the top seven places . Class wins were achieved by Mazda 1300, Datsun 1600, Mazda RX - 2, Torana XU1 and Falcon GTHO . </P> <P> 1972 saw controversy, following a media - driven "Supercar Scare", which had accumulated enough political momentum to force Holden to postpone introduction of a V8 Torana for two years . Ford abandoned the XA model based Phase Four GT - HO Falcon . Chrysler also 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 Great Race 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 . </P> <P> 1972 was also the last year that drivers were permitted to drive without co-drivers . </P> <P> The 1972 race was a round of the 1972 Australian Manufacturers' Championship, which was open to Group E Series Production Touring Cars . </P>

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