First off go ahead and just tighten the manifold and see what happens. Second, lok at the wide part of the manifold that lets heat surround the intake side. Find what looks like a tiny hole and make sure it isn't plugged up with rust. A bit of baling wire works geat to poke around in there with. The frost is from the fuel vaporizing at the venturi and when liquids evaporate they loose heat hence the freezing. the little hole does 2 things. It give a place for water to drain out should any get in the exhaust pipe and second it lets some exhaust heat flow down and wrap around the intake heating the mixture up so it vaporises properly. Do one of those things at a time and let us know what works.
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Today's Featured Article - A Tractor's Point of View - by John Manley. I began my life on August 3,1941. I was actually built at different times and days but I was officially an M Farmall on August 3.I was real nice and shiny. That’s me, in the old picture, third from the left. I was loaded on that train and sent to a little town in South Carolina. I didn’t get to see much of that town. I was moved off the train fast and on to the dealer’s
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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