Mine goes full vertical with that combination, I have a smaller 1806/2400kv and it had tons of power on 2s. I run 6x4 APC props. It sounds like you need to calibrate the ESC. Also check your endpoints in the transmitter and if it allows you to, calibrate the transmitter sticks.
You could have an under power battery, if it’s not putting out enough current to meet the motor demand then it will run flat fairly fast and not make power. Thats why people asked you what battery and ESC you had.