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head gasket sealer


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#1 murphy OFFLINE  

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Posted November 21, 2011 - 03:13 PM

I used to use a copper spray for replacing a used head gasket to get by. Have not been able to find it now. Does any one use anything else?

Motor needs rebuilt but, do not want to do it at this time cause I use it for pushing snow. Cold weather makes it a little harder on developing compression!

#2 mjodrey OFFLINE  

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Posted November 21, 2011 - 03:37 PM

I don't use sealer on head gaskets.

#3 DanP OFFLINE  

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Posted November 21, 2011 - 03:39 PM

We use to use it in the shop on new headgaskets, and it worked fine. I would check with a shop that does engine rebuilds or get it from the manufacture.

http://www.permatex....ive_Sealant.htm
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#4 murphy OFFLINE  

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Posted November 21, 2011 - 03:44 PM

I know it is not general practice. I have used a type of copper spray to get by in the past with even car engines, especially with a friend who did some stock car racing. It kind of fills the warps, scratches, and helps seal compression better. Years ago you could use paint with lead in it. Can not find that anymore!!

#5 murphy OFFLINE  

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Posted November 21, 2011 - 03:47 PM

We use to use it in the shop on new headgaskets, and it worked fine. I would check with a shop that does engine rebuilds or get it from the manufacture.

http://www.permatex....ive_Sealant.htm


That is it Dan, Thanks. No one seems to know what I am talking about, now I can tell them who makes it.

#6 olcowhand OFFLINE  

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Posted November 21, 2011 - 03:57 PM

Here's another brand also: SCE Gaskets G1612 - SCE K&W Copper Coat Gasket Sealer - Overview - SummitRacing.com
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#7 MH81 ONLINE  

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Posted November 21, 2011 - 05:42 PM

I have bought mine from Auto Zone for years. They have it on the shelf, in stock here.

#8 Amigatec OFFLINE  

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Posted November 21, 2011 - 07:43 PM

I used to use a good quality Aluminum spray paint. Something with lots of Aluminum particles in it. It has always worked for me.
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#9 Packrat OFFLINE  

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Posted November 22, 2011 - 07:58 AM

NEVER use copper on ANYTHING aluminum!!! You will destroy the aluminum part. If you are all steel, you might be ok. Just get a new gasket and do it right.
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#10 JD DANNELS OFFLINE  

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Posted November 22, 2011 - 09:33 AM

NEVER use copper on ANYTHING aluminum!!! You will destroy the aluminum part. If you are all steel, you might be ok. Just get a new gasket and do it right.

That is good advise, you do get a chemical reaction between copper and aluminum that will eat the aluminum.
That's why electricians use dielectric grease in those connections.
The aluminum spray would work fine in that case.
I always use paint on head gaskets, it may not be needed with the gaskets made now. A lot of things have improved greatly in 45 yrs.

But when I was 16 and the go-fer("Hey Kid go fer, this or go get that") at the International Dealer's shop, all the mechanics painted the head gaskets. Ralph Belzer & Bob De Rhonde teased me mercilessly but I learned a lot from them.
It's how I learned and have never changed. Another thing almost unheard of these days, that I would not be without in my shop is a bottle of Indian Head Shellac.

Now another trick, my father -in Law never painted gaskets, instead he would coat them with wheel bearing grease instead. I never saw an engine he built fail.

Edited by JD DANNELS, November 22, 2011 - 09:43 AM.

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#11 ducky ONLINE  

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Posted November 22, 2011 - 09:46 AM

Another thing almost unheard of these days, that I would not be without in my shop is a bottle of Indian Head Shellac.


Man I remember that stuff from back in the 70s. That stuff would sure hold a gasket in place during assembly. Get it on you = remove 1 layer of skin to get it off.

#12 JD DANNELS OFFLINE  

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Posted November 22, 2011 - 12:43 PM

Man I remember that stuff from back in the 70s. That stuff would sure hold a gasket in place during assembly. Get it on you = remove 1 layer of skin to get it off.


Yeah, but since I have an aversion to having to grind the gunk off my hands, I keep a quart of low oder mineral spirits in the shop for just that purpose.

#13 murphy OFFLINE  

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Posted November 22, 2011 - 02:29 PM

Thanks guys for input.
Yes electrolysis does happen from copper to aluminum. Being aluminum is less noble it will become the sacroficial anode. Luckily the aluminum head on this is warped anyway, but I am kind of curious on the aluminum paint. Some of the paint used years ago had lead in it and that is why it was so good for use on head gaskets.
Thanks to all again for input.

#14 olcowhand OFFLINE  

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Posted November 22, 2011 - 08:30 PM

Another thing almost unheard of these days, that I would not be without in my shop is a bottle of Indian Head Shellac.


I should still have a small bottle of that on my shop shelf. Used it all my life for certain jobs.

#15 Alc ONLINE  

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Posted November 22, 2011 - 08:41 PM

Now we know who the "old timers " are . Those whom remember what it is .

Another thing almost unheard of these days, that I would not be without in my shop is a bottle of Indian Head Shellac.

:bigrofl:




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