Well, it looks positive, ran for half an hour and in the green. I am not throwing my hands up in the air and shouting TWO – NIL but the volume of water from exhaust is higher and the temperature is in the green. Moral is, I believe, either get someone who knows (not so easy) or acquire the knowledge yourself. I have learned a lot about boat engines and this one in particular which gives me some confidence.
Domestic water stank so pulled the boards up and opened tanks; drained and dry. Tomorrow I’ll get in there with bleach and give them a good scouse out. Surprised really the mess and smell.