Hey all. I have an old inboard Yanmar SB8 in my Sun 28 that I am having issues with. First off, I am not very familiar with diesel engines and rely a lot on friends, and here, for help. So, the engine has seized. Pulled the head off and looked at the piston. Springs on the head were a bit rusty...

I just received a quote to rebuild the Atomic 4 motor on my 1979 C&C 34. I was shocked at the $6,640 price tag for this job and I asked them to hold off on the repairs while I consider alternative options. During haul-out this season, it was noticed by the yard crew that the motor was creating...