It should run on resistor wires IF they are good. Cheap carbon wires don't last long. Good spiral core wires are the best choice.
Check the spark quality at the plug end of each wire when it is warmed up and causing the problem. With it running pull one wire at a time, it should give at least a 1/4 inch spark to ground.
Check the distributor shaft for side play. The points will not stay set if there is wear.
The coil could be failing or the wrong coil or coil/resistor. When it is up to temp, feel the coil, it should not be too hot to hold, or considerably hotter than the surrounding components.
There could also be a fuel delivery problem. Try loosening the gas cap. Do a fuel test at the carb. Remove the drain plug from the carb bowl, catch the flow in a clean glass. It should flow a stream, not slow to a drip or stop flowing. Look at the fuel caught, check for dirt, rust, water. Whatever is in the glass is in the tank and carb. Contamination will be an ongoing problem until it is cleaned up.
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Today's Featured Article - Uncle Cecil's Super A Lives Again - by Mike Purcell. A week or so out of most of my childhood summers was often spent with my Uncle Cecil and Aunt Sissie in the small East Texas town of Maydelle on their 80 acre farm. Some of my fondest memories of these visits are those of learning to drive a tractor at the helm of Uncle Cecil�s 1948 Farmall Super A. Uncle Cecil was the second owner of this wonderful little tractor, but it was almost as though he had adopted an infant. The original owner was a man from Minnesota who bought her from a local dea
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For sale Farmall super A tractor is complete and has just been setting for awhile,it was running when pulled out of the barn,shouldn’t take to much to get it going asking 1100.00
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