[AJD] JD A Head gasket question

[greg at theoldtractorcompany.com]

Copper Coat all the way
Greg


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Greg Stephen
The Old Tractor Company
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On Wed Apr 18 21:04 , Chris C <jdnutinwa at yahoo.com> sent:

>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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