Finding good aftermarket parts for the ol' corpus is difficult, plus nobody gives a decent warranty any more.
On 4 September 2012 06:44, Rich Knowles <r...@sailpower.ca> wrote: > Bob: I forgot to answer your question about cause. We (Nova and I) are > uncertain. There is nothing directly pointing to why the blowby suddenly > increased. Pistons, rings, liners, head gasket and head and valves all look > generally OK. May have been a stuck ring. I’m replacing all the noted parts > and the crank bearings so hopefully all should be OK for the next 30 years. > Maybe I should replace some of my parts to just keep up…..**** > > ** ** > > Rich Knowles**** > > INDIGO - LF38**** > > Halifax, NS**** > > ** ** > > ** ** > > *From:* Helen Abbott [mailto:h...@eastlink.ca] > *Sent:* September 2, 2012 21:45 > *To:* cnc-list@cnc-list.com > *Cc:* Rich Knowles > *Subject:* Engine Saga - Continued**** > > ** ** > > Rich: > > Glad to hear the re-power is coming along. If you don't mind me asking, > who is doing the work on the engine? > > And also, just curious, how do you think this happened "one of the > pistons looked as though some water may have got in and possibly seized a > ring"? > > Bob Abbott > AZURA > C&C 32 - 84 > Halifax, N.S. > > On 2012/08/31 10:23 AM, Rich Knowles wrote:**** > > You may recall my engine decided to revolt a couple months back when it > blew all its oil into the bilge and almost seized up. After a bit of > thought and asking a few questions, I bought a low-hour used Yanmar 3GM30 > thinking it would be an easy install. Turned out to be very difficult to > locate parts to mate it to my Hurth V-drive transmission and I eventually > gave that idea up and put the engine in my storage space.**** > > **** > > After a couple of days of work, I dissembled all the surrounding woodwork > and weaseled the engine out from under the cockpit sole into the aft cabin, > an interesting exercise to say the least. I think they suspended the engine > in mid-air and built the boat around it. I removed the carcass with the > club jib crane and lugged it off to the local engine rebuilding experts. > They tore it down to see what caused the blow-by which had caused the > problem. There was nothing obvious at all to be seen other than one of the > pistons looked as though some water may have got in and possibly seized a > ring. They magnafluxed the head and all is good. Also, surprisingly, the > interior of the block is a clean as a whistle with no corrosion or deposits > of note. Pretty good for a raw-water cooled engine.**** > > **** > > We decided to replace the cylinder liners, pistons and rings, crank > bearings, exhaust valves, thermostats and motor mounts. Everything is > available in NA except the head and pan gaskets which are on the way from > Japan. Total rebuild cost will be around $3,500. Maybe…. **** > > **** > > While I’m awaiting the parts, I’ve been cleaning the bilge and swamping > out the engine room. I’ve stripped out a bunch of previously inaccessible > old wiring and plumbing too and am replacing anything that looks > suspicious. Lots of dirty fun.**** > > **** > > If anyone needs it, I have a perfectly good low-hour Yanmar 3GM30 for > sale. I have $4,800 in it and that’s what I’m asking.**** > > **** > > More to come as the best summer in years slowly disappears… **** > > **** > > Rich Knowles**** > > INDIGO - LF38**** > > Halifax, NS**** > > **** > > **** > > > > > **** > > _______________________________________________**** > > This List is provided by the C&C Photo Album**** > > http://www.cncphotoalbum.com**** > > CnC-List@cnc-list.com**** > > ** ** > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com > > -- Jim Watts Paradigm Shift C&C 35 Mk III Victoria, BC
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