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#1 |
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Join Date: Jul 2014
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Back in the mid 70s my Max had a bad cylinder so I found an industrial block out of a 60 ton crane, it was a very strong block.
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#2 |
VIP Member
Join Date: Dec 2001
Location: Texarkana Ark/TX
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MH or Industrial blocks have a water hole for spark plug cooling passages that are in the MH or industrial heads. They are easy to spot.
If you find a block try to get one that has the Dash end number(-1) closer to one or zero. The higher the dash number the more mold/casting modifications. Closer to zero or 1 is usually a block that has been cast matching the original prints. A -1 could be a lot better core than a block with a -15 on it. Sonic testing is important
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Adger Smith (Former SS) Last edited by Adger Smith; 10-01-2023 at 11:55 PM. Reason: add |
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#3 |
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Join Date: Jun 2009
Location: Boulder City, Nevada 89005
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I thought they only used the block castings ten
times 10 times before retiring them but that was a longtime ago.
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John Irving 741 Stock 741 Super Stock |
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#4 |
Member
Join Date: Jul 2011
Location: Western PA
Posts: 455
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I've never seen a big block with a higher number than 10. The only one I ever had trouble with was a '65 -1 casting 440 out of an Imperial. It was stress cracked all through the lifter valley.
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