[C320-list] Muffler leaks and drainage

[jbrown5093 at yahoo.com]

I think some have suggested using a hump hose in place of the standard one between the elbow and the muffler to reduce vibrations. Anyone done that?

Jim Brown

Sent from my iPad

> On Jan 14, 2017, at 11:28 PM, Ted Harrison <tharrison at innovations-plus.com> wrote:
> 
> Greg, was the drain installed or do you have to do it yourself after? 
> 
> What was the cost, if appropriate to  ask or send me the info tharrison at innovations-plus.com
> 
> Tks 
> 
> Ted Harrison
> 
>> On Jan 14, 2017, at 8:35 PM, Greg Flanagan <greg.flanagan at shaw.ca> wrote:
>> 
>> 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!
>>>