I don't know what he has got there, but I tried to put a FM mag on my Farmall B years ago & couldn't get it in time. I had to grind the lugs off the impulse and weld two pieces of key stock about 45 degrees from the old lugs. Then it could be properly timed.I now have the same H4 mag back on it that I took off then. So maybe the allis FM mag has the lugs in a different position than the H4 he is trying to use. Lanse: Make sure to turn it over real slow and if you can see the piston through the spark plug hole, see if the mag snaps when the piston is on top. If not maybe that H4 mag won't work. Please let us know what you find.
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Today's Featured Article - Measuring with Calipers - by Staff. The legs of inside calipers are curved outward at the extremities to facilitate measuring small holes, while outside caliper legs have a large curve inward to increase their capacity for large work. Firm-joint calipers are adjusted approximately by the hands and then set to the feel of the work by tapping them on a metal surface. It is a common practice when opening calipers by this means to tap the top of the joint. It is better, if possible, to tap the inside of the legs, as repeated blo
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