Jimmybondi, Here is a photo or so of a small distributer. I know the guy who made it and has nice video of the 4 cylinder in-line engine. It is a model of a Holt Captipillar engine.

http://www.youtube.com/watch?v=tl0nD1smbAg = Running

http://www.youtube.com/watch?v=AjQLK...eature=related= Running