I seem to remember, from long ago, that there were other mags used by IHC besides the E4A that became so common on the Farmall. I remember also seeing flat-based mags with auto impulse couplings that could be fitted to earlier tractors. I am pretty sure Fairbanks-Morse made such a mag. They look "funny" because they are usually smaller than the original (that is, more the size of the mags on H and M). I think the magnets got better as time went on, and it was possible to get a good spark without having a magnet that reached almost up to the plugs. I wish I had more details, but maybe somebody out there who deals with these tractors a lot can give you some tips, especially about the FM or other replacement mags. There is no question that the F-4 is a very good magneto, AND that it looks good on an early Farmall, being the right size and all. Good luck with finding a solution. Farmers didn't used to care about looks much,"as long as she works," but today a restorer is likely to be concerned about appearance as well as utility.
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Today's Featured Article - Choosin, Mounting and Using a Bush Hog Type Mower - by Francis Robinson. Looking around at my new neighbors, most of whom are city raised and have recently acquired their first mini-farms of five to fifteen acres and also from reading questions ask at various discussion sites on the web it is frighteningly apparent that a great many guys (and a few gals) are learning by trial and error and mostly error how to use a very dangerous piece of farm equipment. It is also very apparent that these folks are getting a lot of very poor and often very dangerous advice fro
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