I had a miss in a Cockshutt 80 that I worked on for about 3 years. The engine ran ok under load, but at idle or no load there was a miss. I changed out the mag to a distributor and the miss was gone. I never suspected the mag because the tractor started good and there was a nice blue spark from the mag. The problem was in the impluse. It was really dirty and one coil on the spring was broken. I thimk the problems in the impluse caused the engine to get out of time. No bad enough for it not to run, but enough to develop a miss. I think the H4 mag is a good mag. it just might need some tlc. Good luck
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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