Overhead R side
The engine is the original one and Bobber says it is still as tight as new! Low compression made for little wear and great power. He also confirmed it is a Continental PY-112 engine after finding the original bill of sale to Erie Peat. It is a flat head four, which means the valves are on the side of the block, upside down from what we traditionally think of the location of valves in an automotive engine. That is why the spark plugs are offset.