> obviously you have never seen a manifold on a > working tractor at night. they get chrry red.
I have. Some get hot enough to show red in the dark but not in daylight or twilight. That"s about 400C. Brazing alloys don"t melt below 840C. That"s red in sunlight.
> there is special welding rod for > manifolds.
You can"t weld without melting the workpiece. I can"t see how that is not going to result in the formation of a band of white iron (and indeed what most welders have been telling me is "I can try to weld it with nickel rod. Sometimes it works, sometimes it doesn"t".)
> brazing on exhuast is not recommended.
I wouldn"t braze the exhaust headers on a race car, but then they aren"t likely to be cast iron.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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