[C38] Exhaust manifold exhaust flange on Universal 5424/M30.

[Max Soto]

I made the exhaust and the riser  with stainless pipes. welded another pipe
on one elbow for the riser. I can send some pics next week.
In the meantime, chech the attached drawings.
-- 
Max Soto
C38 #198 ESTANCIA
Puntarenas, Costa Rica


2008/5/29, Tom T. <tdtron at earthlink.net>:
>
>  Hello Russ,
>
> It's been many years since I replaced my exhaust  but I seem to remember
> that the exhaust from engine to riser is just threaded pipe.
>
> I swore that if/when my exhaust fails again I will fabricate the pipe and
> riser from welded stainless.  In my opinion, iron and steel don't belong on
> a salt water cooled exhaust system but on the positive side, plumbing pipe
> sure is cheap if you don't also need to replace the iron riser and manifold
> flange.
>
> I ended up replacing everything except the muffler from the engine exhaust
> manifold to the thru-hull in the aft anchor locker, including the rubber
> hose and check valve.  Only my muffler is original.
>
> Tom Troncalli
> Renata #95
>
>
>
> ----- Original Message -----
> *From:* Duff, Russ (R.W.) <rduff at visteon.com>
> *To: *Catalina 38 Listserve <listserve at catalina38.org>
> *Sent:* 5/29/2008 9:11:04 AM
> *Subject:* [C38] Exhaust manifold exhaust flange on Universal 5424/M30.
>
>
>
> It's always something; at least it couldn't have happened at a better time.
> We finally got the boat launched yesterday, and while pulling into the slip,
> the exhaust note changed and there was no water coming out of the exhaust.
> It turns out the fitting where the exhaust hose clamps onto the exhaust
> manifold snapped off. Luckily this is a separate part bolted on to the back
> of the exhaust manifold; the exhaust flange. My question is, is this a
> single cast part with a round opening/neck that the hose clamps onto, or is
> it a cast threaded part with a round opening that a pipe is thread into
> (1981 model C-38)? According to the Torresen website, it is a threaded
> opening.  Unfortunately, because it was late in the day, I couldn't get a
> good look at it, but the neck didn't seem to be as long as what is shown in
> Torresen's picture. I am hoping that just the pipe snapped, and not the
> flange. It sure would be nice not to have to spend $81.07, plus shipping,
> and instead just go to the local hardware and buy a section of pipe. If it
> is just the pipe that snapped, what kind of pipe should be used? If anyone
> as any experience with this, please let me know.  Thanks.
>
>
>
> Sincerely,
> *Russ Duff*
> Catalina 38, Hull #112
> "AVANTURA"
> Lake Erie
> Grosse Ile, Michigan
> RDUFF* **AT* VISTEON* **DOT* COM
>
> AVANTURA *AT *COMCAST *DOT *NET
>
>
> _______________________________________________
> Listserve mailing list
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>
>
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