Rc drifting is something you learn. It's hard to explain or show.
Simple and easy, start by doing cookies. if you can set up an obstical that you can drift around, it will help you understand handling.
As for upgrades, I would look at eagle racing for good upgrades.
RACE CARS: B44.1, RC8.2E FT, SC10.2 4X4, B5M, YZ-2
RADIO: Futaba 4PKS/3PKS. BATTERY: Venom
ESC: SpeedPassion. MOTORS: SpeedPassion / Venom
"Im not a racer, but I play one on the Internet"