New to rc still, I have 5 of the xk brave 1/18 scale blue w/1100mah batt and 390? Motors and 1 xkbrave RED that has an 1500mah batt and a 540 motor; can I replace the 390`s w/ the 540motors and the higher 1500mah batt? If so, are there any changes to make or just plug in & play?
