The 1985 Better Brakes 300 was an endurance race for Group A touring cars held at the Amaroo Park circuit in Sydney, New South Wales on 4 August 1985. The race was the opening round of the 1985 Australian Endurance Championship. It was held over 155 laps of the tight 1.94 km (1.20 mi) circuit for a total of 300.7 km (186 mi). The field was divided into three classes according to engine displacement. * Class A : 3001cc to 6000cc * Class B : 2001cc to 3000cc * Class C : Up to 2000cc Richards qualified on pole for the race with a time of 53.80 seconds.