Practical Boatowner | April 2016
KEEPING YOUR ENGINE COOL
Step-by-step guide to servicing your cooling system. Engine cooling systems vary in their complexity, beginning with the cheap and nasty direct or raw water cooling systems where sea or river water passes directly through the engine block for cooling purposes. There is only one advantage to this system, and that is cheapness. It is seldom seen on modern engines, although the Americans still seem to like it on their big V8s. Raw water cooling shortens the engine’s life and also significantly reduces engine efficiency as the engine always runs well below its designed running
temperature of 80-85°C.
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Articles in this issue
Below is a selection of articles in Practical Boatowner April 2016.