1929 Otto KV 50 

You Otto Know The engine in this story is one of the last built in the United States with a direct connection to the beginnings […]

Vintage Opposed Pistons

Fairbanks-Morse Model 38 By Jim Allen How do you fit ten pistons into five cylinders and make a running diesel engine? Well, the diesel engine […]

A Mystery Prototype Engine

The White V4-106 Every once in a while you run across something really odd that requires a lot of research. In this case it was […]