I had a water leak (into the oil) problem on my 2QM15 a
few years ago. Having built 911 engines in my previous
life, I was not afraid... Pulled the head, found a crack
in it and bought a new head and installed it. It is rather
a simple engine, with the injectors up top and all the
valve mechanisms below. I would at least pull it off and
have a good look. Then, figure out if you want to have
someone else do any necessary repairs and bolt it back on.
A shop manual is a b i g help.
Gary
Maryland
On Thu, 08 Sep 2016 15:52:12 -0700
Russ & Melody via CnC-List <cnc-list@cnc-list.com>
wrote:
Hi David,
Too bad about da head eh.
I had a similar problem recently on the QM20 but with
black smoke at 1500 RPM. I did the exhaust riser cleaning
and have black smoke at 1800 RPM. If I wasn't planning to
swap the engine for a nice little Universal I would pull
injectors and have them checked at the shop before
proceeding to the head gasket.
If you decide to change the head gasket, it's relatively
simple on these old brutes. Give it a go. I bet you have
it off the same day and less than 4 beer.
Take the head to a shop for assessment and don't tell
them you want it planed. Planing is not routine on a cast
iron head, so wait for the report. Let them tell you what
they think needs to be done.
BTW, almost three grand for a head job seems outrageous
to me.
Cheers, Russ
Sweet 35 mk-1
At 11:40 AM 08/09/2016, you wrote:
So...we are leaving harbor to make our way down to
Mystic for the Rendezvous. As I usually do I turn
around and check the exhaust for water and color.
Today the color as darkish grey and it looked like oil
was coming out as well.
I do an immediate 180 and go back to the mooring.
Mechanic is out within the hour and confirms my
suspicions. Head gasket. To do the job right (injectors,
planing head etc) he estimates $2,500 to $3,000. I think
the price is fair but I wonder if I could do it myself.
Anyone have any experiences around this? I am a fair
mechanic, but I don't want to be penny-wise of pound
foolish and I have never done anything like this before.
Thanks in advance...
David F. Risch
1981 40-2
(401) 419-4650 (cell)
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