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Should I put anything on the cylinder head surfaces?

Started by WH23G3G, June 03, 2009, 08:03:55 PM

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WH23G3G

June 03, 2009, 08:03:55 PM
None of the books I'm following say to put any kind of sealant or adhesive on the cylinder head surfaces of the block. A couple of mechanics around my area told me to put some Permatex Spray Copper sealant on the head surface. Do I really need to or just put the gaskets on dry? I'm just using OEM replacement Fel-Pro head gaskets.

firefighter3931

#2
June 03, 2009, 08:49:32 PM
If the gaskets are the blue Permatorque then put them on dry. The steel shim gaskets need a coating of the spray copper stuff.



Ron
68 Charger R/T "Black Pig" Street/Strip bruiser, 70 Charger R/T 440-6bbl Cruiser. Firecore ignition  authorized dealer ; contact me with your needs

Rolling_Thunder

#3
June 03, 2009, 09:35:52 PM
agreed...    steel shims require the permatex "Copper Coat" - but the blue gaskets ie. Felpro - just put them on a dry CLEAN surface
1968 Dodge Charger - 6.1L Hemi / 6-speed / 3.55 Sure Grip

2013 Dodge Challenger R/T - 5.7L Hemi / 6-speed / 3.73 Limited Slip

1964 Dodge Polara 500 - 440 / 4-speed / 3.91 Sure Grip

1973 Dodge Challenger Rallye - 340 / A-518 / 3.23 Sure Grip

LeadfootBob

#4
June 04, 2009, 07:55:31 AM
Would the "Gasgacinch" goop work? I used it on a set of copper gaskets on my 468 chevy, first time it hasn't leaked coolant like a sieve  :lol:
Proud member of the jack stand racing team since 1999.
'70 Charger 500: "Bronson", some kind of hillbilly hot rod in progress.
'89 Chevy Caprice 9C1: "it's got a cop motor..."
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