I see that someone here on the hamb has one for sale. What is it and what's the history of it. Have never seen or heard of it
110 Offy was the midget engine. Good history link-http://www.onedirt.com/tech/offenhauser-the-greatest-racing-engine-ever-built/
They were once so popular that USAC considered changing the name of their midget division to the 110 Offenhauser division.