A gear change could be the key to Ucalledit delivering Kris Lees his first victory in The Archer.

Trainer Graeme Green concedes the extraordinary racing journey of Master Jamie is nearing an end but he still has some unfinished business starting with the $775,000 The Archer on his home track at Rockhampton on Sunday.

New Polytrack Provincial-Midway Championships favourite Strait Acer will become the first Group 1 placegetter to contest the series when he fronts up in the opening heat at Kembla Grange on Thursday.

Trainer Edward Cummings believes it’s right time to find out how well his talented galloper Strait Acer can sprint.

Third-up and a distance that suits has Edward Cummings confident at midweek Kembla Grange.