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I'm installing my headers. What side of the gasket goes toward the block? The foil faced side or the non-foil faced side?
TIA
Also, should I use any type of sealant?
 

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If one side has a metallic surface it's probably there to protect against heat. The heat is coming from the cylinder head so I would guess that would be the side to face the exhaust ports. Besides, if you've ever had to scrape a header gasket off a cylinder head before :: you'll appreciate the metal face.
 
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