I am unsure what size trolling motor i am goin with. Boat is 14 ft aluminum v hull. Bought a 36 lb but thinking i need a 55 lb, thoughts. Also is running 16 ft of 8 awg sufficent or do i need 6 awg? In addition the 36 lb calls for a 40 amp circuit breaker, i already have a 60 amp, can i safely...