Spent a good 10 years on my father's 1929 10-20. It had the little muffler under the hood, and the pipe came out THROUGH the firewall. A dangerous arrangement. I witnessed an accident when one of these tractors was being gassed up with the engine running. The fuel spilled over the top, ran down over the exhaust pipe and whoosh! the tank went up like a torch. Bad memory. I have seen other tractors from this series that had somewhat different exhaust arrangements, including--as I remember--TWO exhausts coming through the left hood down low IN FRONT of the firewall. I have old catalogs from aftermarket suppliers that tout manifolds that have a vertical exhaust but allow the use of the original side-draft carburetor. One of the reasons for this conversion (besides the replacement of a burned-out manifold) was to give a little more power on gasoline, via a "cold manifold." The originals for 10-20, 15-30/22-36, Farmall, F-20 and F-30 were all designed primarily for kerosene or distillate. These require a good hot intake manifold to make this stuff vaporize well. Gas does not need this, and would, I understand, give less power if used in a hot manifold. A number of these tractors had provision for using the manifold either "hot" or "cold." The F-series had a lever that, in the cold position, blocked most (all?) of the exhaust heat from hitting the intake manifold directly. By the time I got to using an F-20, mid-way through WWII, this lever had rusted fast in the "cold" position. NOBODY by then wanted to use kerosene, so the lever never got moved. I tried kerosene once for half a day on our 10-20, and vowed never to even think about it again (it"s a real pain: start on gas, heat up the engine, switch to kerosene, keep the radiator covered except when working hard, to stop, turn off kerosene and run carb dry, because kerosene won"t start cold). I THINK (but can"t prove this one) that the 10-20 and 15-30 manifolds may have had a baffle that could be unbolted and turned around to give the "hot" or "cold" position. Some of you fellows who are current on these old birds can tell us more about this.
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Today's Featured Article - Picking Corn - by Rick Nikolich. It was the day before Christmas shutdown at work and I asked our lead engineering expert Scott Andrzejewski what he was going to do over the holidays. He said that he had some corn that he still needed to pick with an antique one-row New Idea corn picker. Scott has a nice farm about an hour north of Lansing in St. Johns, MI. He wanted to get the rest of his corn in by the next day (Christmas Eve). We had about an inch of new snow on the ground and single digit temperatures. So in the bac
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