Quote:
Originally Posted by Billy Nees
I have always been told that an X was put into the core box when it was worn out.
Now, that could make sense or maybe there were some Racer types loose in the foundry who had found some really good core boxes and made sure that special projects used these pieces.
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Has anyone ever seen a '61 or '62 date code 461 casting that was NOT a 461X? I haven't and I have seen 20 or 30 of them in junk yards.