1967 #391 Heads with Hairline Crack
I have found a set of matching 3904391 heads with one head having a hairline crack where the gasket goes for the exhaust manifold. It is about 3/4 of an inch long. Does anybody think this would be a concern running on an engine because the machine shop that checked these heads out said it was fine? Just wanted some opinions on this.
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Dennis Vugrinovich
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