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I pulled my manifolds and risors (log style 228 mercruiser) apart and was reasembling when i noticed that the hoses from the thermostat housing cover to the risors (where it cools the exhaust and goes overboard) the hose fitting in the risors is sealed off not rust but like a closed off fitting...
228 Merc 305 V8 raw water cooled If my manifolds were leaking not sure yet but think they were I was told to pull spark plugs and crank motor to get water out is this correct? Can I spray like wd-40 down the spark plug holes to relube the insides or?? where and what should i use to relube it...
Does anyone have a picture or diagram of the correct hose routing on a 1978 228 mercruiser 305 v8 raw water cooled alapha 1 outdrive I need to know where they all go tsat housing all the way back. It has the log style manifolds with the cap on the front and a hose comming off, and then the other...
I have a 1978 raw water cooled 228 mercruiser 305 v8 overheating i have replaced thermostat, water pump, and impeller. I believe my problem is a plugged manifold or risor what is the best way to clean my manifolds? do i have to completly remove from block? Also the alternator bolts to the...
