Evan Belford continued to lead the way at Knockhill as he beat Amanuel Brinton in combined practice by 0.456secs.
Harrison Dessoy improved from the first session to finish third overall, with Rhys Stephenson fourth and Sullivan Mounsey fifth.
R&G British Talent Cup, combined practice:
1. Evan Belford (City Lifting/RS Racing) 53.547s
2. Amanuel Brinton (Kovara Projects/RS Racing) +0.456s
3. Harrison Dessoy (Microlise Cresswell Racing/Eastern Garage Racing) +0.528s
4. Rhys Stephenson (Rocket Racing) +0.615s
5. Sullivan Mounsey (Wilson Racing/Maddison Media) +0.719s