Re: [Amel Yacht Owners] Repower


Alexandre Uster von Baar
 

Good morning Steve, Hanspster,

interesting about the overheating.
Did it just happened or was it there before.
As I mentioned, I have the Volvo TMD22P with 4900 hours.
The temperature gage was showing 195*F or 95*C.
It felt a little warm to me, I would have prefer seeing 10 degree less.
But even after motoring for 14 hours would remain the same (which was a good sign).
The hour meter (changed in 2012) also was working on and off, and sometime the tachometer was going all the way.
When I went to Fort Lauderdale last year, I explained my concern to Diesel of America.
In short (different story), I was taken advantage off, $9000 later, I am running hotter… I am skipping the lie and non-sense replies (will be happy to go in detail on another post), after “5 months”, it was finally back to what it was.
At the end, an answer I don’t totally believe. I was told that theses engine run so cold that they made sensors and gages showing a higher temperature. (I had the gage checked and it shows the right resistance)
I had added a second temperature gage and it does show 20 degree less.
May be this will solve your overheating problem. But if it just happened, then a new engine is in order.

But with $9000 of expenses (not including spare alternator, injector, fuel pump, hoses, etc.) I thought I should have replace it since was probably half way to a new engine. Not sure about the labor cost.

The decision is yours, a balance between piece of mind, cost, etc.
Just be very careful about the grounding as the other mentioned. Based on Kent experience, this could cost you much much more time and money…

Hanspeter, thanks for the temperature informations!
Viet thanks for the info, I remembered you didn’t had the gage.

Sincerely, Alexandre
SM2K #289 NIKIMAT
Grand Bahama


--------------------------------------------

On Thu, 6/25/15, Stephen Davis flyboyscd@gmail.com [amelyachtowners] <amelyachtowners@yahoogroups.com> wrote:

Subject: Re: [Amel Yacht Owners] Repower
To: "amelyachtowners@yahoogroups.com" <amelyachtowners@yahoogroups.com>
Date: Thursday, June 25, 2015, 10:01 PM


 









Since I seem to
have started this repower thread, I'll tell you why we
have decided to repower. As with any decision, I have
multiple reasons that have influenced our choice.

Our Perkins Prima has
4200+ hours, and has had various issues in the year and a
half we have owned the boat. Currently we have a overheating
problem that we cant seem to completely cure. If I keep
throwing money at it, we will probably eventually figure it
out, but who knows. The wiring harness for the entire engine
is old and brittle, and really needs to be replaced. The
engine panel warnings are not working, the tach just went
out, and a new panel is quite expensive. To rebuild the
engine, fix all the other bits and pieces, is going to cost
about 3/4 of the price of a new Yanmar. Part of the problem
in the USA is the cost of parts and labor doing a
rebuild.

We are about
embark on a 10 year circumnavigation, and the thought of a
reliable new engine with a warranty for 25% more $$$ than
rebuilding an old one seems like a good deal to me. I also
suspect when we sell the boat after our circumnavigation, we
will get a much better price with a mid time Yanmar vs a 32
year old Perkins with 7000 hours.

I guess only time will tell if we are
making the right choice, but I'm comfortable with it.
Also, we should be back on the water in 2 or 3 weeks, but
with a rebuild, we would probably loose most of the summer.
In our case, we have spent the last year re-fitting the
boat, are ready to go, and it is worth a few $$$ to not lose
our summer of sailing.

Best Regards,
Steve
and Liz Davis
Aloha SM72
Hauled out in St. Augustine, FL



On Thu, Jun 25, 2015 at
8:16 PM, seagasm@gmail.com
[amelyachtowners] <amelyachtowners@yahoogroups.com>
wrote:















 









Frankly, I am at a loss as to why a person would
change an engine in the first place. We have the Perkins TMD
22A Turbo and it runs like a gem. I can still reach the hull
speed of over 8 knots and I can still power into a 30 knot +
head wind and still make way comfortably. The engine has
proved to be very reliable and economical to run. If you put
two identical Amel's side by side, one with a
Perkins/Volva 80hp and one with a Yamnah 110hp and ran them
flat out, I doubt if you would see any difference except a
larger hole in your pocket.
It is my opinion one would be better
of spending the money and giving your existing engine a full
overhaul. The Perkins is a very good engine and if the
maintenance is kept up, like any engine, it will provide
many hours of service. I know I can get parts anywhere in
the world so why bother?
Just my two bob's
worth.
Kind
RegardsBarry & RobynTradewinds III
SM #171
































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