Cameron McConville launched away from Garth Tander's pole position, but crept on the line and would be assigned a ten-second pit penalty for a jumped start.
Dean Fiore also pulled in on the opening lap with Will Power an early stopper after losing all of his cars oil.
Courtney took the lead from Tander just prior to a safety car being called for Andrew Thompson, parked in the first chicane.
Teammates Jason Bright and Jason Richards tangled on another safety car restart on lap 97, shortly after race leader James Courtney was penalised a drive-through for slowing down after the safety car pulled away from the queue.
Michael Caruso finished fourth from Alex Davison, Jamie Whincup and Jason Bright.
Steven Richards outlaunched teammate polesitter Luke Youlden to lead at the start as Greg Ritter crawled away all but stalling.
Andrew Jones had an exhaust problem and slowed on the front straight to allow his pitcrew to examine the car as he passed.