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Re: Just a Thought...861 Head Gasket

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John in La

01-26-2013 06:50:37

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OK let me think out loud here for a second and see if we can figure this out.

I went to the Fel Pro site and found they gave you what felpro has listed as the correct gasket 7761-B-1. You got set HS-7761-B-2. The picture shows the gasket you have and you can see the number stamped on your gasket picture.

So now we have to wonder is that a felpro mistake or do they know something we are over looking. If it is a mistake I wonder how many have used this gasket in the past and are now posting here about over heating problems.

So just to get a better idea of the problem I looked at the gasket for the 134 motor 7632-B

and it looks more like what you need so at least felpro got it right. To bad the bore is differant and I do not know the details of that gasket or I MIGHT suggest using that gasket.
On the other hand if you look on this site or even the main Tisco parts site you will see that the 1/2 bolt gasket for the 134 and 172 is the same gasket. The gasket for the 7/16 is listed as a differant gasket for the 134 and 172 but that could be because Tisco sells a metal clad gasket for the 134 and a non-metallic gasket for the 172.
I wonder if contacting the felpro customer service and technical inquiries line at, 1-800-325-8886 would produce a answer to this problem.

Before I took anything else apart I would decide what path I was going to take. Most tractor sites sell a head gasket replacement set that only has the head gasket; valve cover; and manifold gasket. The next step up is a complete gasket set at more than twice the money. What you have is a head rebuild set. It is going to have some extra gaskets in it like the side cover. So if you go with another set you may not get a side cover gasket. But anyway that cover is just stuck on. They leak easy cause the cover gets bent so many gob it on with gasket sealer.

I do not know what path I would take. I would be very tempted to talk to felpro customer service and see if they would trade me the gasket for a 134 and try it.

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Will Gumbert

01-26-2013 07:39:43

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 Re: Just a Thought...861 Head Gasket in reply to John in La, 01-26-2013 06:50:37  
Since the FelPro photos show a port opening for the 134 gasket and not for the 172 gasket, is there any chance this is actually a 134 motor? Tom, what casting # is on the right side of the engine block?

Also, take a close look at the shape of the combustion chamber in the head and compare it to the old and new gasket. The new gasket appears to be made for a larger chamber with a different shape. -Will
This post was edited by Will Gumbert at 08:00:16 01/26/13.

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01-26-2013 08:38:36

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 Re: Just a Thought...861 Head Gasket in reply to Will Gumbert, 01-26-2013 07:39:43  
Also, I have a very cloudy recollection of a change in coolant flow in this series of engines, somewhere along the way & blocking those ports may have been the way it was done. Nine different head gaskets & some head numbers in this thread:
This post was edited by JMOR at 09:31:44 01/26/13.

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