Reasonable for an engine rebuild

[Just Sold]

Originally Posted by Water Camper

I have purchased some Marvel Mystery Oil and plan on adding it before I take the boat out tomorrow. I have also talked to the marina about replacing the noisy lifter(s) if the MMO has no effect.

At this point I am not ready to replace the boat. Yes, it is over 20 years old, but if you saw it you would suggest it is relatively new. It has spent it's summers in a boathouse and winters under a carport.

Anyway, Thanks all for all the advice.

Bill

Water Camper, Bill. The late Sunset Bob had a high hour 21' Larson cuddy V6 (I believe it was a V6) that actually lost almost all oil pressure but still ran. It was noisy if he ran it at full throttle which he did only when necessary. He ran that motor for over a year before spending $10K for a completely new engine. It never failed to run. I rode in the boat with the bad oil pressue with Bob. He had hooked up an pressure guage and it rested on the rear jump seat so he could see the OP. I believe he had also used Mystery Oil after the problems arose. Good luck with your engine.
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