So here I go
I ran the boat after a spring start at the marina. They did the spring service.
20 min into the run I heard a sound like a banging then the engine stopped. Not a hard stop but a nice sound like a stall.
After a day no oil in bildge or water. Now on day two oil in bildge smells...
I have a 1990 welcraft with the 5.7 alpha. I took it out for the first time this year and about 20 min into it I herd a loud clanking so I ran it slow . the clanking kept going and then the engine shut down. not a bang shut down but a smooth shut down like turning of the key. oil in engine still...