Scott McLaughlin and DJR Team Penske have defied the odds to claim a one-two result at Symmons Plains, strengthening their grip on the Supercars title fight.
The Mustang made it seven from seven, with McLaughlin taking his sixth win of a dominant start to his championship defence.
In Tasmania, McLaughlin jumped surprise pole-sitter Mark Winterbottom off the line on Saturday afternoon and was never headed.
Winterbottom steadied to finish fourth, denied a first podium in a Holden by a desperate Shane van Gisbergen who overtook him on the second-last lap.
While Irwin Racing celebrated Winterbottom's surge, the day belonged to McLaughlin and second-placed finisher Fabian Coulthard.