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Just surveyed a 70 Hatt with 12-92 diesels mechanic found water in the oil, we are wondering what caused this, mechanic can’t invested ate further for about a month, but figures he is going to have to pull the heads to check the o ring seals any other suggestions for where to look? Engines had a...

Help need to know the size of the exhaust hose for an Onan 20 kw gen in a 1973 hattt

I think most things Hatteras did were pretty good, but there are exceptions, like the deck drains on the 53 MY. With only one drain per side for the entire deck. We have been having epic rains for us here in So Cal and my drains keep getting crap in them which is plugging them up. How do you...

Enclosed is a picture of the shower pan from our forward head that I just fought to remove. That is solid fiberglass, not filler and is about 1 inch thick. The entire pan had to weigh about 100 pounds. Total overkill, but incredible quality also. John

I have a good friend that is a very experienced Marine Surveyor and has an incredible resume, which includes, managing a large boat yard and being an engineer on some large Motor Yachts including Joan Crocs boat ( she owned McDonalds and the Padres baseball team) He has been surveying for years...

Has any one done a long distance open ocean cruise in a Motor Yacht. By long distance I mean like coast to coast or equivalent. Do you think these boats are capable of doing so comfortably if you watch the weather?

Ron, where do you find that stuff. Renee was laughing out loud also. Very funny. John

Removed the aft water tank on our 53MY and moved the berth aft. Gained about 14 inches. Our mattress is a Calif. King which is 84 inches long and 72 inches wide. We have 33 inches between the foot of the bed and the closet and 19 inches between the foot of the bed and the corner of the head. It...

Just saw a video where the guy had a propane injection system that sprayed propane into the blower on a 6-71 it was in a bus and when he needed extra power to climb a hill he hit a switch in the cab that sprayed in some propane that gave him a boost.looks like a way to eek out a bit more...

A year ago or so someone posted a picture of a headboard they had made, I think the boat was a 43 or 48 motor yacht. If possible could you repost the pic. Thanks, John

Anyone have any info on this model. It was made from 1976 to 1983 and must be a different hull than the regular 70 Motor Yacht because it has an 18’ 7’’ beam from what I can find. Walk around side decks. Sams does not have a model brochure for this model, mainly wanted to know if the hull has...

Do any of you have coolant recovery/expansion tanks on your DD engines and if so what are the advantages or disadvantages. John

I here you guys talk about power steering, do you mean using the auto pilot to steer or do the bigger boats actually have some kind of power assist on the steering system and if so does run off an engine or is it an electric pump of some kind. Saw a 70 MY and the steering seemed very stiff with...

Have any of you with the larger (61 up) motor yachts experienced cracking in your counter tops. I have surveyed or been on 3 70 MY all had cracked countertops in the galleys. What is the solution? Are the cabinet frames not built correctly or is it just flexing when underway or are the floors...

My boat has electric gauges at the lower helm and mechanical gauges on the fly bridge. Is this normal or OEM or were they probably done by a PO. Thanks, John

Does anyone know if Nor Pro is still in business and if so do you have a good current phone number, John

I am bringing a 65 Pacific Mariner down the coast from Seattle to San Diego. We have been in some pretty nasty stuff and the Davis is swinging side to side about 2 feet. It has hydraulic swing and if we hit the button to pressurize the system it is ok for a few hours then starts swinging again...

This is not an old boat. It is called Bread, look up the video on it on YouTube. I always wonder what people are thinking when I see some of the boats out there.

Mammoth just said the are staying open till the end of August!!! John

Ok I am totally confused. If you put a hose fitting on the zinc hole on the water pump, close the sea cock turn on a garden hose and run the engine at idle, will this be sufficient to flush the engine or will this not be enough water flow or will the hose pressure bend the impeller blades? I am...