The Supercar Registry - 1967 #391 Heads with Hairline Crack

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- - 1967 #391 Heads with Hairline Crack (https://www.yenko.net/forum/showthread.php?t=124754)

dlv4540

11-12-2013 02:48 PM

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.

the427king

11-12-2013 03:24 PM

Re: 1967 #391 Heads with Hairline Crack

Should be fine ive had those before. drill a small hole at the end of the crack to prevent it from spreading

dlv4540

11-12-2013 07:44 PM

Re: 1967 #391 Heads with Hairline Crack

How much do you think it would affect the value of the set?

the427king

11-13-2013 02:06 PM

Re: 1967 #391 Heads with Hairline Crack

10-20% if you are selling them bare. Sell them rebuilt with a shop receipt and the crack wont affect price as much

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