MLav VisionTrack Academy’s Carter Brown led team-mate Johnny Garness in the opening practice session at Oulton Park, clocking a best lap of 1m:50.571s.
Banks Racing’s Harrison Crosby was third quickest ahead Silverstone winner Kiyano Veijer as Harrison Dessoy rounded out the top five.
Honda British Talent Cup, Oulton Park, free practice one:
1. Carter Brown (MLav VisionTrack Academy)
2. Johnny Garness (MLav VisionTrack Academy) +0.297s
3. Harrison Crosby (Banks Racing) +0.674s
4. Kiyano Veijer (Microlise Cresswell Racing) +0.708s
5. Harrison Dessoy (Microlise Cresswell Racing/Eastern Garage) +1.141s