Gareth Downing secured the two GT Cup sprint race wins at Snetterton on Saturday, but failed to secure the hat-trick on Sunday as the pairing of Nigel Hudson and Adam Wilcox swept by in their Aston Martin GT3.
Downing was the class of the field on Saturday, leading every lap with the American-built Mosler, and led Sunday's endurance race until a slow pit stop dropped him out of contention.
Hudson drove his heart out to keep the Mosler in sight on Sunday, hoping Wilcox would be able to haul in the leader, but instead he was able to drive a defensive race to keep the John Dhillon/Aaron Scott Ferrari 488 in check, which had started last after a change of car overnight.
Cranworth's Adam Hatfield claimed victory in the GTH category in the opening race while co-driver Chris Murphy finished third in the second.
In the longer race on Sunday the pair drove their Aston Martin GT4 to victory, the first for the pairing, to consolidate their category lead.
A small grid of sports prototypes contested the LMP3 Cup, with series leaders Colin Noble/Tony Wells winning both events, the first narrowly from the Jack Butel/Dominic Paul pairing who led the second until a late problem dropped them to the back of the field.
Brockdish racer Bonamy Grimes did make the podium in race two in second place but along with team-mate Johnny Mowlem ended up fourth in the opening encounter after an early spin.
Ian McDonald had a perfect weekend with the Radical SR1 racer mopping up all four of the MSVR Allcomers races. In Saturday's races, Nick Starkey was McDonald's closest rival while Downham Market's Steve Owen claimed the final podium places, before chasing home the winner in both events on Sunday.
The Porsche Club racers put on two thrilling events with Mark McAleer holding the advantage throughout race one and Mark Sumpter taking the win in the second while Simon Clark and McAleer squabbled for second in his wake.
Paul Platt continued his domination of the 250 category of the British Superkart Championship with three race wins.
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