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I bought a pressure tester and pumped it up to 15psi. I sprayed soapy water around off the possibly leak points and they seamed sealed. The engine took about 5 minutes to go from 15psi to none.
Is it still possible this could be a head gasket issue? The compression test on all four cylinders...
I tried filling the manifold every which way, I cannot get water to run out the intake ports (I was hoping this would be the case, as it would be an easy fix!).
Thank you Scott. I believe this has always been a fresh water boat.
I've changed the oil since getting it running (this was several weeks ago) then discovered the mixing issue. I actually bought another engine just in case this one was bad. Sadly, the boat had a rotten Fram oil filter on it...
Greetings all,
I recently bought a gem of a boat with only 192 hours on the Mercruiser 3.0 from the original owner. The engine runs great and has excellent compression on all four cylinders.
I've never had this boat on the water. It had sat for many years but was told it was winterized. The...
