Dear All,

I am about to tear a slant 6 apart for refurbish. Can any one inform me about the original thickness of an Slant 6 cylinder head so that I measure it and understand if its machined or not.

Looking forward to your replies...

I measured a bunch of stock heads. They measured from 3.595 to 3.606. This is from the head gasket surface to the valve cover surface. The best way to check is to measure the combustion chamber cc's.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

Thank you for your qucik reply, I think this will help.