The GT2 category was led by the No. 60 Prospeed Porsche of Richard Westbrook at the end of the qualifying session .
Westbrook later had Richard Westbrook 's lap times excluded after the Porsche failed a stall test during technical inspection .
The GT2 category was led by the No. 60 Prospeed Porsche of Richard Westbrook at the end of the qualifying session but Westbrook later had his lap times excluded after the Porsche failed a stall test during technical inspection .