I have a question. A friend has a reprint of the book, Machine Shop Projects, by South Bend Lathe Works. The last project in the book is a two-cycle gasoline engine. The instructions cover how to machine the parts, but it has a number of cast iron castings. It doesn’t seem to mention how to make the castings or where to get them. Did they come in a kit at one time? Or did they just expect you to make your own castings? Has anyone heard of one of those engines being built?