Thanks for the tips guys. I am well versed in the auto side of things I rebuilt the ls short block in my race car and built a few cars just never had the reason to dig into boats, so not sure of anything unique to them especially as far as getting parts goes. My plan is to do a leak down test on it and see where the compression is escaping to and then we’ll go from there. I spoke to some guys on another forum who noted that the Volvo’s tend to develop a leak in the exhaust riser that leaks down to the exhaust valve causing them to rust and seize in place. A bore scope had crossed my mind and might be the best route before I go ripping everything apart.
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