Footage: Big Banger sportscars at Warwick Farm

Newsreel coverage of the 'big banger' V8 sportscars in the RAC Trophy Race at the old Warwick Farm circuit in May, 1969, showing legendary Australian sports racers like Frank Matich's 5.0-litre Repco-Brabham V8-powered Matich SR4 and Niel Allen's Chev V8 Elfin in action.