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No Seacocks on a CC Connie

Winterizing? Summerizing? Covering? Trailering? If it is about a boat out of water put it here.

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No Seacocks on a CC Connie

Post by davewann » Mon Nov 30, 2015 9:01 pm


My first post so I hope I do it right!

I just bought a 30' CC Constellation with twin 283s. Neither of the thu-hulls have seacocks or strainers. The manual from 1964 shows the seacocks and strainers as an option.

Question: Can this model be winterized in the water, St. Louis, MO., without the seacocks?

I have had (4) cruisers, all CCs, and this is the only one with no seacocks.

Thanks for the opportunity to address you all!!

jim g
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Re: No Seacocks on a CC Connie

Post by jim g » Mon Nov 30, 2015 10:40 pm

Just pull all the drain plugs on the engine.

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Re: No Seacocks on a CC Connie

Post by tkhersom » Tue Dec 01, 2015 7:27 am

I don't know how cold it gets in St. Louis so the answer is less direct. Just draining the engine will protect the engine, but on another thread someone mentioned seeing boats sink because the water inlet froze. They suggested blowing compressed air out through the intake and closing the sea cock. Obviously it would have to get very cold to freeze the water inlet and it is imposible to close the sea cock if they are not there.

American Beauty, a '58 38' Connie, did not have sea cocks when she came into our care. It was one of the first things I changed. Can't believe they were never installed over all those years.
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Re: No Seacocks on a CC Connie

Post by Peter M Jardine » Wed Sep 14, 2016 4:46 pm

No seacocks on any below water line thru hull is contrary to ACBS code, and an invitation to your boat sinking if a hose springs a leak. Install seacocks, and carry a number of cone shaped plugs in wood in case of any sea cock failure. Check sea cocks yearly for full function.

Greg Wallace
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Re: No Seacocks on a CC Connie

Post by Greg Wallace » Thu Sep 15, 2016 7:42 am

Good advise Peter but I was unaware that the ACBS had such guidelines...It would not be the first time, though.

By any chance are you referring to ABYC (American Boat & Yacht Council)?
Greg Wallace 23 Custom 22166 former Chris-Craft dealer Russells Point, Oh.

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Re: No Seacocks on a CC Connie

Post by jfrprops » Thu Sep 15, 2016 10:35 am

I have never heard of a cc cruiser coming without seacocks? Over the years I have put off replacing seacocks that were stuck and not closeable.....that too is a risky business. To repeat need seacocks at least....and strainers, while the best are very pricey, are a near must as well. Be careful and take heed on all of this.

John in Va.
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Re: No Seacocks on a CC Connie

Post by robertpaul » Thu Sep 15, 2016 12:20 pm

To quote my late surveyor as he pointed at shaft logs and and other through hull fittings... "your boat floats on that"!
1937 35' Double Stateroom Enclosed Cruiser

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Re: No Seacocks on a CC Connie

Post by evansjw44 » Fri Sep 16, 2016 10:25 am

My '67 35' Sea Skiff Corinthian does not have engine sea cocks or strainers. My surveyor always points that out to on his periodic serveys. I just ask him to try to touch the thru-hulls. The are under the engines and not touchable.
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Re: No Seacocks on a CC Connie

Post by maritimeclassics » Sun Sep 18, 2016 11:17 am

Something to consider is to put in emergency water pick ups. When you install your ball valve you can use a 3 way valve and run a solid pipe to the center of the hull by the keel. If you boat gets a hole in it to big for the bilge pumps to keep up you put the ball valve in the 3 position and you engine acts as a pump pumping water out of the bilge through the strainer and into the engine. Hopefully you'll never have to use it. This is the only picture I could find, really should have a strainer in line.
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