I managed to get a thundercat 31 real cheap and want to make it brushless , what size type motor and speed control would be a good fit for that boat?

i would think a feigao 12XL on 6S lipos or 18 cells would be a good setup....i would go with lipos so it will be lighter...

Thanks i did forget to add would direct drive or a trans be better?

a direct drive would be better....