getting it and my setup is:
OFNA-Hyper-9e-1-8-4WD-Buggy-Rolling-Chassis

Tekin-RX8-Redline-T8-1-8th-Scale-Buggy-Brushless-ESC-Motor-Combo-1900kV

Spektrum-DX20-DSM-2CH-Radio-w-SR300-Receiver-No-Servos

Savox-SC-1256TG-Standard-Digital-High-Torque-Titanium-Gear-Servo

Team-Orion-Carbon-Molecular-40C-Li-Poly-Battery-Pack-w-Deans-148V-5100mAh

then use a 14 15 16t pinions i heard the springs suck what should i use?