Adam Christodoulou in the Team Abba Racing Mercedes went fastest in Sunday morning’s 10-minute British GT warm-up session at Snetterton.
Ahead of the day’s two races, the works Mercedes-AMG driver went around the Norfolk track in 1:47.769, just a few tenths off Nicki Thiim’s pole-position pace from Saturday.
Ben Green was second-fastest in the #3 Century Motorsport BMW M6, albeit 1.446 seconds off the Mercedes’ benchmark.
Shaun Balfe (Balfe Motorsport McLaren), Ryan Ratcliffe (Team Parker Bentley), Jack Mitchell (#9 Century BMW) and Rick Parfitt Jr (JRM Bentley) completed the GT3 top six.
In GT4, another car that has looked quick all weekend, the GT Marques Porsche Cayman, went fastest on a 1:57.587 with Dino Zamparelli at the wheel.
His time was 1.3 seconds faster than the next man up, Sennan Fielding aboard the Steller Performance Audi, also making its British GT debut here.
Third and fourth fastest were the Fletcher/Plowman-piloted, Beechdean-run #11 Aston Martin and the pole-sitting #66 Team Parker Mercedes of Nick Jones and Scott Malvern.
The top six in GT4 was rounded out by local driver Ben Devlin in the #19 Multimatic Mustang and Jamie Dorlin in the #4 Tolman McLaren.
Race one of the day follows at 11:10 am, with race two set for 3:25 pm.