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Discussion Starter #1
I'm looking to pick up a 69-76 small block however, I have one more piece of the puzzle left to solve. Can anyone help?

Back in the "day", the quality and consistency of block castings weren't the best, as a result, some blocks cast had varying nickel content (i.e. low=soft).

Does anyone have information / a link that provides information as to the casting numbers too avoid / use?

Thanks in advance.
 

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The content is cast on the front and rear of the block I will have to look up the numbers you want to look for. I have a high nickel content block in my garage maybe I can snap a picture of it for you.
 

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Discussion Starter #3
If you have those numbers, that would great :thumbsup:

A photo of the stamped number would also be nice.

Thanks!
 
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