I find it hard to believe the fuel tank cap could be causing this noise, but I know there was a recall on the original fuel tank caps and I have a larger black cylindrical cap installed many years ago. I think when I close the choke to keep the engine running it is causing a huge suction or pressure change in the carb /manifold body and that becaseu this only happens after the engine has been running 15-20 minutes the hot metals have expanded and there is a hold in the manifold gasket. I will pull the manifolds tomorrow and inspect, likely replace manifold gasket and look for any hairline cracks. Also replace gasket between carb and manifold.
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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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