I recall a heat saturation problem with the starter motor. As I recall, the exhaust from the center of the right side manifold angles back towards the starter motor and comes close enough to really heat it up. I think earlier models had the exhaust pipe coming more straight down and thus being further from the starter. If your pipe is within 1 or 2 inches from the starter, then heat is the likely problem. The simple no cost solution is to make a sheet metal heat shield and use stainless steel hose clamps to hold it to the down pipe. When the starter is way too hot, it draws too much current, and the voltage to the electronic spark is too low to fire the plugs. The older mechanical points performed better in these marginal conditions.
But there is also a heat/vapor problem with the fuel pump located at the lower right front of the block. It also can be affected by the heat of that same exhaust pipe. Today's gas turns to vapor at lower temps than any gas in use when these trucks were the common workhorse of the farm. Some guys get around this problem by using an electric fuel pump located close to the fuel tank, and bypassing the mechanical fuel pump. And then shielding the fuel pipe to the carb with tin foil wrap.
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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