I use the 1/4” thick cork FelPro gaskets since they’re more forgiving. I dab a little weatherstrip adhesive on the valve cover side to keep them in place, nothing on the head side. The key is not over tightening.
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Ken
'68 GTO - Ram Air II 464 - 236/242 roller - 9.5” TSP converter - Moser 3.55 Truetrac ( build thread | walk around)
'95 Comp T/A #6 M6 - bone stock ( pics)
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