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Thanks for the info about the oil burning. I will monitor it, and resist the temptation to constantly top it off.

I called SBMAR. They said KDP issues involved motors in the early 90s and VERY rarely in marine world. If anyone would know, I would guess they would.

Is the Killer Dowel Pin a thing? A friend said it has been an issue and a necessary fix for cummins 5.9s in this year range (mine is a 2000). I searched the forums and found very little. There is a lot in the truck realm, but very little on boat forums. Almost nothing on sbmar as well, other...

I pulled the exhaust elbow off the turbo to inspect the turbo, elbow, and exhaust hose. The turbo did not appear to have any water damage. The turbo is pretty heavily caked with carbon build up. The elbow has a lot of carbon build up but appears to be in pretty good shape. The exhaust hose...

Yes, replacing all zincs too. There is certainly a lot to do when getting a new boat especially when not knowing full history or having the previous owner to explain things. The smoke it a greyish blue I would say. I will warm up under light load, that makes sense.

Thank you for the thoughts. That is helpful and the experience pool here is deep. 2GPH, not minutes, sorry. That would be a problem. I can certainly burn more fuel and push the boat faster, but have found that to be about the sweet spot of speed and efficiency. I got new radiator caps for...

I recently purchased a 2000 NT37 with a Cummins 5.9BTA 330hp motor. The motor and Northern lights Genset have about 4300 hours. The manual lists maintenance schedules out to 2 years, never once mentioning injectors. The manual has instructions for replacing them but no recommendation as to...