Title: At first glance you might think that these freeze plug holes are there for freeze plugs. Well such is not the case. They are also there to help break up the inner sand cast molds that keep the cast iron where it belongs.
File name: IM003335.jpg
Owner: Gallery Administrator
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At first glance you might think that these freeze plug holes are there for freeze plugs. Well such is not the case. They are also there to help break up the inner sand cast molds that keep the cast iron where it belongs.
