Felpro blue head gaskets and sealer ?

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rustytoolss

rustytoolss

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Anyone using sealer on there felpro 8553PT head gaskets ? In the past I use to use permatex Hi Tac on all head gasket , just a thing I did.

But I was thinking of using permatex copper coat on my 8553PT . Let me know if that would/has cause any problems .
 
Last 2 I did I used the permatex copper coat spray

Been 20k miles on the first set no problems...
 
While there is nothing wrong with using sealants on a composition type gasket, it is not necessary.
 
never used sealant on fel-pro blues, it really depends on the deck surface finish. if you told you engine machinist you were using a certain type gskt, he should have put the proper deck finish on the heads and block.
 
The blue Felpro gaskets are their "PermaTorque" line and sealant is not recommended , it affects the torque setting somehow. we a set on dry last summer as a stop gap because the 1008s weren't available in Podunk Saskatchewan and I haven't bothered changing them out , why fix what ain't broke eh !
 
No sealant, get rid of the thin head gaskets, that's the problem, you ain't the first, and you won't be the last. Use the 1008.
 
I got the thin head gaskets on a couple of engines and never had a problem with them....but I clean the hell out of the surfaces...
 
PoisonDart74 said:
No sealant, get rid of the thin head gaskets, that's the problem, you ain't the first, and you won't be the last. Use the 1008.
Click to expand...

On a existing short block,dead on. I was taught, head clearances, .001.5" variance,on a head. (iron head,at the time). The 1121 Mr .Gasket's work,if you check the deck height for warpage..
 
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