Four of Australia’s most powerful 1970s road cars were meant to settle their rivalry in one magazine comparison test — and then the test never happened. Decades later, Shannons Insurance reunited the Falcon XA GT Hardtop, Valiant Charger E55 and Holden Monaro GTS 350 with the rarest survivor of them all: a Leyland Force 7V that was never allowed to reach showrooms. Watch to see the shootout Australian muscle car fans have argued about for fifty years.