15T Pinion INSTALL & GPS SPEED! Kraton 4S V2.5

** TIMESTAMPS BELOW ** We show you how to install Arrma's recommended speed pinion gear and see exactly how fast it goes stock and with the speed pinion installed. We also use a calibrated temperature gun to check before and after temps of the motor and ESC. Will it do thermal shut down? Watch, to find out. Enjoy! Timestamps: 0:00 Intro & parts list 1:46 Front arm replacement 3:10 Baseline 13T pinion gear speed run 4:36 Baseline temp. check on motor & ESC 4:59 15T speed pinion installation 11:59 Special guest, Sammi the Squirrel 12:22 15T speed run tests begin 14:25 Fastest pass of the day 14:59 15T temp. check on motor, ESC, & center gear box 16:04 Wheelies 16:34 Temp. check after driving in grass