Ford driver Jamie Whincup won both races at the Hamilton 400 series over the weekend
Whincup remains unbeaten in the Australian V8 Supercar championship after winning all four races this season,
After success on Saturday at Hamilton, he followed up on day two, starting fourth on the grid.
Whincup also took out the fastest lap time around the 3.4 kilometre city circuit, at one minute 24.49 seconds.
Ford made it a hat-trick at Hamilton, taking second and third place with drivers James Courtney and Steven Johnson.
The first New Zealander home was Ford driver Fabian Coulthard in fifth place, while Greg Murphy was eighth.
Attendance at the three-day event was just under 122,000 people, nearly 30,000 below capacity.