 Group C was replaced by Australian regulations based on International Group A Touring Car rules in 1985.Jim Richards and Tony Longhurst won the first Group A race for driving a BMW 635 CSi, before George Fury scored a pair of victories in turbocharged Nissan Skylines with Glenn Seton in 1986 and Terry Shiel in 1987.The 1986 race was the first time a turbo powered car had won the Sandown enduro.