From: Marc Strangfeld (mjstrangfeld@yahoo.com)
Date: Tue Jan 04 2005 - 03:01:36 PST
Dave,
Below is a repost of a message I wrote a couple of
weeks ago in response to someone else asking pretty
much the same thing. I also have the head gaskets yet
too.
Maybe it'll help
Marc
> Sean
>
> I changed my head gaskets this summer so I'll tell
> you
> about my experience.
>
> My engine was running fine but slobbered out unburnt
> fuel and oil from several places around the heads.
> The front of the engine being the worst. After the
> truck was up to operating temperature there was a
> faint chirping noise. The coolant level stayed up
> and
> an oil analysis showed no antifreeze in the oil.
> After asking several people what to do, the main
> opinion was that they would probably last quite a
> while like they were and if all I did was stay close
> to home to let them go unless I really wanted to
> change them. I was going on a long cross country
> trip
> so I decided to fix them.
>
> Memphis Equipment sells the new style gaskets which
> are the only ones to use, period. The job is too
> time
> consuming to use the old style ones. The old style
> gaskets, if my memory serves me correct, have little
> tabs sticking out from the block at each cylinder
> that
> is most likely were you'll see leakage because of
> the
> groove they put in them. The new ones don't. You
> can
> however buy the older gasket overhaul kit which has
> everything else you'll need except the head gaskets.
>
> Once you have the gaskets, decide if you have the
> right tools and will to do the job yourself. There
> is
> a tool to remove and retorque the head bolts. It
> isn't built very heavy but does the job.
>
> I decided to remove both heads at the same time and
> separate them on the bench. Then a thorough clean
> up
> job on everything. The heads were resurfaced. It
> took about .005 to clean them up. The valves are
> below the sealing surface so they were left in. The
> valves could be removed and inspected but it wasn't
> necessary on my heads. The intake and exhaust
> manifolds were then bolted on to the heads as one
> unit
> and lowered with a hoist back onto the block. Then
> both manifolds were loosened slightly to let the
> heads
> torque seperately then they were tightened back up.
>
>
> That is a basic description but there are a lot more
> details to go over if you wish. I called Hercules
> and
> got torque specs and even flatness requirements on
> the
> heads. I also have detailed instructions on setting
> the valves copied from a military manual. If and
> when
> you decide to take the plunge let me know and I can
> dig up the info for you. I would look by each
> cylinder on the passenger side and see if it's
> leaking
> there. On the drivers side there is so many places
> for leaks that it's hard to tell. Also the sound
> should be a chirping, like an exhaust tick. If you
> hear a buzzing noise then I suggest you start
> wearing
> hearing protection...just kidding. I also have two
> extra head gaskets I could sell you. (they are the
> new ones) Memphis wanted $25 for a restocking fee
> so
> I kept them. I someone wants them they could have
> them for $135 plus shipping.
>
> Good luck
>
> Marc
> --- Sean Nichols <Sean.Nichols@xilinx.com> wrote:
>
> > Greetings List,
> >
> > I took my deuce ('71 AMG M35 with a -1D multifuel)
> > out for a weekend
> > 'stroll' and all seemed to be well and good, as
> > usual. But lately, I've
> > started to notice oil seeping out of the engine
> > around the air
> > compressor and down around the injection pump. It
> > looked as if my air
> > compressor was seeping oil from the base, but in a
> > lot of places, I
> > couldn't really see where the oil was seeping out
> > from.
> >
> > So back to the story... I got home, parked the
> > truck, left it running,
> > and got out to get my chocks set. When I rounded
> > the front of the
> > truck, I could hear a faint 'buzzing' sound.
> That's
> > the best way I can
> > describe it. I popped the hood and listened, but
> it
> > just seemed to come
> > from the general vicinity of the engine and I was
> > unable to pin point
> > the exact spot. Then I noticed that at some
> point,
> > it appears that oil
> > has been seeping out from under the head at the
> > front of the engine.
> >
> > Truck ran great, not down on power at all. This
> > morning it occurs to me
> > that I remember some posts about a blown head
> gasket
> > making that
> > 'buzzing' sound. Is that what I'm looking at
> here?
> > How can I
> > conclusively tell? I've not had much (any)
> > experience wrenching on
> > multifuel engnes...
> >
> > Which brings up a few more questions...
> >
> > How tough is it going to be to replace the
> gaskets?
> > What's this going to cost me?
> > Do I need to have the valves done and get the
> heads
> > resurfaced at the
> > same time?
> > What other pearls of wisdom can anyone pass along
> > for someone who has
> > neither 'been there' nor 'done that' from a
> > multi-fuel standpoint?
> >
> > Thanks and Happy Holidays!
> >
> > Sean Nichols
> > '42 IHC FFN-3 Crash Truck
> > '71 AMG M35A2
> >
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> >
>
>
>
>
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