Yea ya have a butterfly up in the manifold that is suppose to open and close to warm the intake then open to let the heat away . Now in cool or high humidity the carb will sweat and even frost up if cold enough for a short time. . Did you check the timing at full throttle and what heat range plugs are in it . If your working it and this year i noticed when cutting hay with the 706 and a 1219 J D haybine that it was like trying to plow as it was taking a lot of power due to the extra heavy hay crop this year. So if ya jumped up to the 93 octane and the main fuel screw is five turns out the plug heat range is in the C-86 A C -D15Y champ or the 386 or 3116 Auto Lite and your fuel system is full flow and no pluged air filter then you may have done more damage and your in for a rebuild . That is about all i can tell ya setting here and not being there and checking myself .
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Today's Featured Article - A Farmall Story - by Ed Meadors. The year was 1978. Our young family had recently moved to rural Chesapeake, Virginia to a plot of land which would finally allow us to realize our dreams of a huge garden, critters and more lawn and pasture than we would ever use! We needed a TRACTOR; not a riding mower or tractor wannabe, but a real TRACTOR. The answer to our needs materialized in the form of a '44 Farmall A, complete with cultivators, discs, single plow, a 5ft.Woods belly mower and one, mounted spare 9.00x24 rear wheel.
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