I found out that quite a few people had problems with the Valach CDI unit on these engines and that they may have been yanking the input wires out of the units in frustration. So I decided to have the engine converted over to use a CH-Ignition system instead. The CH-Ignition guy made a timer adapter for the engine and set it up for me. I can't wait to run it, but I can't seem to find my drill guide at the moment. As soon as I can drill the propeller, I will be bench running the engine. After that it will go on a Great Planes Giant Aeromaster Biplane I happen to have too.

I can use the Brisk UR17 spark plugs without having to cut the tops off of the spark plugs too.

The timing sensor only senses the one magnet, as the magnets are setup in a north pole and south pole configuration, thus the sensor only works with the one magnet. So one could swap out the timing sensor and bracket quite easily then.