Earl. if you intend to make a new piston to get an original Deezil running, make sure it's the example with the one-piece shaft! As that YouTube video showed, the brazed-up shafts last only a few seconds if you ever get one of these engines to run. By contrast, the original one-piece shaft in the engine that I just got going stood up very well to the 20 minutes or so that I gave it. The original Gotham Deezil that i got going earlier has a one-piece shaft of my own making. If you want to run an engine with the brazed shaft, the making of a new one-piece shaft is essential.

Good luck!!