 Complete the following phrase:  Larry Perkins, who had continued to race the well developed VK rather than upgrade to the VL which both Brock and Allan Grice reported small teething problems throughout the 1987 Australian Touring Car Championship, was forced to replace his VK when it was badly damaged on just the second lap at Bathurst with a HDT VL, debuting VL in the Bob Jane T-Marts 500 WTCC round at Calder Park Raceway a week after Bathurst. He later qualified his new car on pole and led the early laps of the Group A support race for the 