Queensland based owner/driver Bap Romano won the series driving his Romano WE84 Cosworth from 1982 champion Chris Clearihan (driving the Kaditcha-Chevrolet that Peter Hopwood used to win the 1983 Championship) and Andrew Roberts driving a self designed Roberts S2 Ford.
Australian Labor Party | Australian | 1984 | 1984 Winter Olympics | Australian Broadcasting Corporation | Australian Football League | Australian rules football | 1984 Summer Olympics | Sports Illustrated | Australian National University | Royal Australian Navy | Australian Open | Australian Army | Sky Sports | World Rally Championship | Australian House of Representatives | Australian dollar | World Championship | NCAA Men's Division I Basketball Championship | EA Sports | Australian Capital Territory | 1984 in music | Ultimate Fighting Championship | Royal Australian Air Force | World Championship Wrestling | First Australian Imperial Force | The Sports Network | Champ Car | Australian federal election, 2007 | CBS Sports |
In December 1984 Costanzo accepted an offer from that year's Australian Sports Car Champion Bap Romano to co-drive the Romano WE84 Cosworth in the 1984 Sandown 1000 as part of the 1984 World Endurance Championship, the first FIA World Championship event held in Australia.