March 10, 20196 yr comment_570633 Looks like a bad casting more then detonation . Some early castings I’ve seen had porous areas in the chambers . Lots of water damage . That head is toast Id say . Link to comment https://www.classiczcars.com/forums/topic/61753-how-to-tell-which-head-i-have/?&page=3#findComment-570633 Share on other sites More sharing options...
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