Any idea what an optimum surface would be for maximum sealing?
Or what sealant to use, beyond old fashioned Permatex?
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Seems to me the Brits have this same sealing issue on their I.L. 4's and when I owned one it was recommended to me by a reputable mechanic/specialist of British cars, to spray both sides of the head gasket with "aluminum paint". I can't recall what brand he was using, but I'm certain an inquiry on one of the Brit car forums might yield an answer. Hope this helps.
