Well I have my boat up and running well with some upgrades, OSE HD flex cable and coupler and prop saver. New metal gear waterproof servo,Better radio and recever , duel inlet rudder and cooling lines and I just got my balanced and sharpened 442 prop. in the mail,I will be putting it on tomorrow can't wait to see how it does! Here is it running with stock prop 4s I'm very happy with this boat and the way it's turning out!