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Sealer on a headgasket?


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I'm about to unfortunatly pull the head off my 87 MJ 4.0 and was wondering when i put it back together should i use any copper sealer on the headgasket??

 

I'm using the Felpro headgasket part # FPG 9076PT1 from NAPA

 

have read alot of threads that say not to use anything and just put it on dry...ANY THOUGHTS???

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I'm about to unfortunatly pull the head off my 87 MJ 4.0 and was wondering when i put it back together should i use any copper sealer on the headgasket??

 

I'm using the Felpro headgasket part # FPG 9076PT1 from NAPA

 

have read alot of threads that say not to use anything and just put it on dry...ANY THOUGHTS???

 

IMHO: If the gasket has a Blue coloration to the substrate material it is a good quality gasket requires no additional sealer. If the gasket is the general generic all pressed cork w/ a steel insert then lightly coat both sides with this http://www.midwayautosupply.com/pc-1421 ... 20539.aspx

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Just replaced the HG on mine and asked the same question of seveal folks, all said to install dry.

 

If you look at the new HG, there should be a small slip of paper with it that also says to install dry. I used the same gasket.

 

Jeff

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Hmmm...now I am wondering.

 

I got a 4.0l gasket set from Crown. It appeared to be a very well designed gasket, with the metal lips around all holes. I wondered the same thing, and ended up going to NAPA to ask them what to do. Everyone I talked to said to use the copper gasket compound. I did. Shouldn't be an issue should it?

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  • 2 weeks later...
Hmmm...now I am wondering.

 

I got a 4.0l gasket set from Crown. It appeared to be a very well designed gasket, with the metal lips around all holes. I wondered the same thing, and ended up going to NAPA to ask them what to do. Everyone I talked to said to use the copper gasket compound. I did. Shouldn't be an issue should it?

 

Of course they'd tell you that. They are in the business to sell you stuff you don't need.

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Everyone I talked to said to use the copper gasket compound. I did. Shouldn't be an issue should it?
It shouldn't if you are talking about the spray on stuff, but no one can tell you for sure. If I remember right, we did use that copper spray on head gaskets back in the day when I was a tech in the '80's.
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