[C320-list] Muffler leaks and drainage

[Greg Flanagan]

Never. But only because my Yanmar has always started within a few seconds. You need the drain if you crank the engine for a number of minutes, or you will suck water into your engine-yes not good!

Greg Flanagan
Hoop Dancer #1076
Sidney, BC

> On Jan 14, 2017, at 5:29 PM, Dick Walker <dickwalker at att.net> wrote:
> 
> Has anyone ever used The drain?  Out first boat was a C-30 '86.    Same design 
> 
> On that boat I replaced I replaced the muffler with one off the shelf from WM 
> 
> THE BIG DEAL is know how much you can crank the starter.   Overfilling the tank would send water back up stream and would not be good 
> 
> Cheers
> 
> 
> 
> Dick Walker
> 740 Olive Ave.
> Coronado ,CA 92118
> 619.435.8986
> 
> 
> 
>> On Jan 14, 2017, at 16:28, Troy Dunn <troutwarrior at gmail.com> wrote:
>> 
>> Warren et. al.-
>> 
>> We just sent our muffler to CD in November.  The cost of the muffler and
>> drain valve which is sold separately and which you have to tap your self is
>> almost $500 by the time you factor in shipping both ways.   We should be
>> receiving the muffler in the next month or so I suspect.
>> 
>> Troy
>> Hull #514
>> 
>>> On Sat, Jan 14, 2017 at 3:58 PM Warren Updike <wupdike at hotmail.com> wrote:
>>> 
>>> FYI a Chesapeake neighbor 320 #4 has replaced his Catalina muffler with a
>>> Vetus "Water Lock" muffler. I checked with him a few times over the years
>>> and he remains happy with it. There are other brands out there. Also, some
>>> available on Amazon and marine online stores.
>>> 
>>> I don't know the cost of a Catalina muffler. The production units seem to
>>> run in the $400-700 range. I haven't really looked into it.
>>> 
>>> 
>>> 
>>> Warren and Pattie Updike
>>> 
>>> 1994 C320 "Warr de Mar" #62
>>> 
>>> Middle River, Chesapeake Bay
>>> 
>>> 
>>> 
>>> -----Original Message-----
>>> 
>>> From: pat reynolds [mailto:lorasalum at yahoo.com]
>>> 
>>> Sent: Friday, January 13, 2017 3:08 PM
>>> 
>>> To: C320-List at Catalina320.com
>>> 
>>> Subject: Re: [C320-list] Muffler leaks and drainage
>>> 
>>> 
>>> 
>>> if you have a muffler or muffler hose leak you should be getting water in
>>> the bilge and you could actually see the leak when the engine is running.
>>> It seems unusual that the drain cock would be open and you not get water in
>>> the bilge, unless it was clogged.  if you are not seeing water coming out
>>> of the muffler or hose your smell is coming from elsewhere     as far as
>>> mufflers go if you got 20 years out of the muffler you are ahead of the
>>> game.  If it does leak don't bother trying to fix it, I did this and it
>>> kept leaking.  Get one from catalina but you have to either send the
>>> original back to them as they have several molds or have them send you
>>> photos of the ones they have made over the years.
>>> 
>>> 
>>> 
>>>   On Friday, January 13, 2017 1:49 PM, Graeme Clark <cg at skyflyer.co.uk>
>>> wrote:
>>> 
>>> 
>>> 
>>> 
>>> 
>>> Last summer, after motoring any length of time, we would get a diesel
>>> fuel smell in the aft cabin and  - i noticed  also - more strongly under
>>> the galley sink.
>>> 
>>> I know I don't have a fuel leak and I know that the exhaust system is good
>>> as far as the muffler.
>>> 
>>> 
>>> 
>>> I therefore am assuming either a leak from the muffler or from the exhaust
>>> hose itself, which is I think the original fit from 20 years ago and
>>> therefor probably perished!
>>> 
>>> 
>>> 
>>> So I will be replacing the exhaust hose and have removed the muffler to
>>> inspect at home. There is no immediate obvious sign of a leak but it isn't
>>> under any pressure, of course. Any suggestions as how to best test it?
>>> Even if it isn't leaking I thought I might take the opportunity whilst out
>>> of the boat, to reinforce any weaker areas with glass mat and resin. But
>>> what ARE the weaker areas? I know others here have had problems with these
>>> mufflers on and off over the years.
>>> 
>>> 
>>> 
>>> Finally, there is what i assume to be a T-shaped drain tap on the side of
>>> the muffler, but I was surprised to find it in the fully unscrewed position
>>> (in other words fully counter clockwise). has it vibrated open, is that the
>>> ‘leak' - or does this drain valve work in the reverse sense to ‘normal’?
>>> 
>>> 
>>> 
>>> Thanks in advance for any guidance
>>> 
>>> 
>>> 
>>> Graeme
>>> 
>>> #366, 1996, Oskar, Falmouth UK
>>> 
>>> 
>>> 
>>> ———————————————————
>>> 
>>> I work irregular hours and often write emails late in the evening and at
>>> weekends; that doesn’t mean I expect you to do the same; reply when
>>> convenient!
>>> 
>>> 
>>> 
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