Compu-Fire has afew versions. I used the early version quite abit when building non-magneto bikes. I liked them. Easy to install with the built in LED timming light and magnet. For kick only bikes, they only require a small battery. As with anything "electronic" and small, you can get bad units that can leave you stranded. Carry some extra points. With the early compu-fire, you will retain your advance weights, so popping in a set of points is a breeze. Another plus for the compu-fire.
Sixball