Tasmanian duo Jason and John White continue their impeccable form, leading High Country after the opening two stages.
At the finish of the second test (Cummings Creek 8.26km), the Whites (Dodge Viper) hold a 9 second over Lotus Exige pair Jeff Morton and Stuart Benson.
The 2017 Porsche GT3 RS combination of Matt Close and Cameron Reeves are third, 10 seconds off the outright lead.
CAMS Australian Targa Championship leaders Paul Stokell and Malcolm Read are seventh, 15 seconds off the lead in their Lotus Exige.
Liam and Larry Howarth (1995 Nissan Skyline GTR) have begun strongly in eighth outright and are the leading runners in Dutton Garage Early Modern.