Tony Quinn and Brian Foster (Nissan GT-R) continue to be just over two minutes clear at the front of the field after cleaning the Malanda stage.
Seymour/Seymour are in second outright while Udy/Williams are in third, just 19 seconds ahead of Andrew Horn and Sally Coning.
Class leaders:
GT Outright: Quinn/Foster lead by 2:03s
Classic Handicap: Gluskie/Winter lead by 1:31s
GT Production: Van der Brug/Rankine leads by 4:24s
Classic GT: Bowden/Hepburn 2:34.49s
Early Modern 2: Williams/Witteveen lead by 1:45.29s
Early Modern 4: Horn/Coning lead by 2:33s
GT Sports Trophy: Udy/Williams lead by 2:21s
Thoroughbred Trophy: Hall/Hall lead by 1:39.31s
TSD Trophy: Marshall/Marshall lead by 9 points