[C320-list] Exhaust elbow... Herb right!

[hcreech at comcast.net]

John, 
Should have mentioned that but did not. Diesel instructor also said best to run with a load if in the slip. When working on the engine, in the slip, I will place the engine in forward and run at about 1500 RPM's for a few minutes, it comes to temperature very quickly. I have tried this at slightly higher speeds in neutral and the temperature needle barely moves. 
I'm with Brad as well as far as sailing vs. motoring, difference is I am in Bowleys Marina, sails are up five minutes after I leave the slip. In those five minuets I run 2900 RPM. Maybe a coincidence but I also have my original Aqua Lift muffler and as I mentioned going into my twelfth season. 


Herb 



----- Original Message ----- 
From: jpmesa @ aol .com 
To: C320-List at Catalina320.com 
Sent: Monday, March 14, 2011 1:51:23 PM 
Subject: Re: [C320-list] Exhaust elbow... Herb right! 

Herb is right! How many times have I seen people run their engine (in neutral) in the slip for a hour or more. That is the kinda thing that will ruin a diesel engine and the elbow. JOHN HOLOKAI 2 




-----Original Message----- 
From: hcreech @comcast.net 
To: C320-List at Catalina320.com 
Sent: Mon, Mar 14, 2011 6:09 am 
Subject: Re: [C320-list] Exhaust elbow 


Brad, 
One observation I have made on this list is that most baby their diesels. My 
hull 606 is entering its 12th season with the original elbow. When I first 
bought the boat I took a diesel class, the main thing they stressed was not to 
baby their diesel. I run mine at 2800 RPM's at cruising speed and occasionally 
up to 3100 but only for a brief time. The diesel instructor told us the 3100 is 
fine for up to a hour of run time. I have got to believe the constant lower 
speeds, meant to protect the engine, is actually creating problems. Lower 
speeds, therefore lower temperatures, cause carbon build up. 


Herb Creech 
Cloud Chaser 
Middle River , MD 



----- Original Message ----- 
From: "Brad Kuether " < bkuether @comcast.net> 
To: C320-List at Catalina320.com 
Sent: Monday, March 14, 2011 8:21:38 AM 
Subject: Re: [C320-list] Exhaust elbow 

Peter, 

Guessing your prop was clean. 

Seems kinda odd that your elbow is clogged this early in the game. I have 
hull 1006 with 310 hours and not seeing anything. Not saying it isn't but 
just one of those, "really" type things. The Yanmar 2GM I had on my 
previous C&C went 25 years without any issues. 

Now for both boats I have been a "purist" only motoring when I have too..... 

Let us know how it goes. With my luck I will find myself in the same 
situation this, looking back going, " shoulda just said nothin !" 

Good luck and take pictures, please. :) 

-Brad, Mary, Monica, and Jarod 
"Independence" 
2004 Catalina 320 Hull 1006 
Middle River, MD 

----- Original Message ----- 
From: "P & B Sheerin " < sheerinp @ bigpond .net. au > 
To: <C320-List at Catalina320.com> 
Sent: Monday, March 14, 2011 7:52 AM 
Subject: [C320-list] Exhaust elbow 


Anyone have any experience on changing exhaust elbow, or replacing 3ym30 
current cast one for a stainless steel job. 
Need to replace mine. 
Peter " Jaraman " # 1096