The Century Plus i got the other day, had a quick connector on the wateroutlet, the former owner told me that he, in winthertime connected a hose, which went to a small cabin, had a few circles and then out of the boat. This kept the cabin nice warm.
his idea not mine
Best regards Erik
I suspect that the extra resistance of all that piping would reduce coolant flow to the point where it would get hot enough to act like a radiator. Not sure what it would do for an engine designed to run cool tho'
Forty Featherweight, not that old - but sure does look it!