So I pulled the head off today and this is what I found. Definitely blew the gasket but the cylinder walls look great (this is a fresh rebuild with about 50 hours on it) no signs of any scoring or abnormal wear. Now that the head is off, it doesn't make noise when I turn it over any more, which makes me thinks what I was hearing was the air leak coming through the gasket. Given what you guys see, do you still think I should tear it down? Everything sounds good internally.
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