The plug for the hole was installed for a purpose when the mold was formed.Jim Becker wrote:Gary Dotson wrote:My guess is that it has no purpose at all, just didn’t need material there. It’s just the way the molds are made.
Possibly a connection between parts of the mold so the mold wouldn't collapse before the iron was poured in.
Why, I don't know.
My thought was to help remove all of the mold sand when the cooled down block was placed on the shaker to remove the sand.
