By the way that bending tubing trick , that was for the 1/8 scale & smaller size of boats.
So for this size im goona say more like 1/4 if not the next size bigger.
Before the water jackets were around they took like 1/8" or next size up of brass tubing & wrapped it around the motor. I dont knok if anyone has tried aluminium . But before you bend the tubing find a piece of wire that fits inside of it, thats to keep the tubing from kinking or buckling. After...