[AJD] JD A Head gasket question

[Frank Gremaux]

Did not see it in the answers but I use aluminum paint to seal head gaskets
.......if you have to take it off it won't mess it up and seals just as good
as copper coat or other more expensive stuff....
Frank 

-----Original Message-----
From: antique-johndeere-bounces at lists.antique-tractor.com
[mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
Chris C
Sent: Wednesday, April 18, 2007 9:05 PM
To: Antique John Deere mailing list
Subject: Re: [AJD] JD A Head gasket question

Thankyou all for the responses.  I am pretty familiar with the head
installation,  this one has been a tough one.  This is the third head gasket
on this tractor.  The head has been magged and machined twice,  this time I
replaced the block and had it machined as well.  I bought the other block as
a 'good boreable block' many years ago from Nampa Tractor Salvage.  I never
had it checked,  so it will go to the machine shop to see if it was any
good.  The block I am putting in has been magged and bored so I hope there
will be no leaks this time..  I was just wondering what others had heard
about sealant on head gaskets.  I usually paint them with an aluminum paint.
My money is on the old block being cracked in the #2 cylinder... judging on
all the water in that cylinder..
   
               Chris

Bill Salisbury <salisburyw at comcast.net> wrote:
  Hi Chris,

I have used a product for years on copper head gaskets that works well. It
also allows the head to be removed at a future time without the problems of
Permatex. Granted, some Permatex sets up hard and some is softer. I have
used Copper Coat with very good results over many years. On gaskets that
have copper on both sides, this Copper Coat can be cleaned off with acetone
and then recoated for re-use of the old gasket. Yes, this works, provided
that the gasket is not damaged.

I cannot say which side of that new gasket of yours faces the block.

Regards, Bill Salisbury
----- Original Message -----
From: "Chris C" 
To: "ATIS LIST" 
Sent: Tuesday, April 17, 2007 10:44 PM
Subject: [AJD] JD A Head gasket question


> In anticipation of soon having a stuck 1950 ANHC to
> work on, I have begun replacing the block on my 1950
> A. (I am ready to slide the pistons in and
> re-assemble)
>
> On a caterpillar board that I frequent, there was
> discussion of using an Aircraft Grade Permatex on the
> head gaskets to ensure a good seal. Apparently the
> old Cat's are similar to old Deere's as far as getting
> head gaskets to seal right. Has anyone heard of doing
> this? I have alwaye been told not to use a sealer on
> a head gasket.
>
> Also, Does the metal side of the head gasket go
> twords the head? Usually the are marked but I guess
> Felpro decided not to mark this one.
>
> Chris
>
>
>
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