Dominic Storey and Peter Hackett have ended day one of the Highlands 501 weekend as the fastest car on the grid; having set a 1:31.424 at the end of second practice.
On his return to the venue and the CAMS Australian Endurance Championship, Shane van Gisbergen and co-driver 'Mad Mike' Whiddett wound up second, ahead of Roger Lago and David Russell's Lamborghini in third.
As the two first cars into the 1:32 bracket, the Mercedes-AMG of Peter Hackett/Dominic Storey and the McLaren 650S of Shane van Gisbergen/Mad Mike Whiddett set the pace early.
The Eggleston Motorsport machine then dipped into the 31s, with a 1:31.944 some 10 minutes into the 40-minute practice.
The time stood for almost 10 minutes until the No. 77 McLaren bit back with a 1:31.766 - almost a full second quicker than the fastest time in morning practice.