> 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 - The Day Tractor Lovers Dream About - by Angus Crawford. The day started at five o'clock on the morning of Friday, the January 29, 1999. My father, my sister, my uncle, my cousin and myself all climbed into my uncle's Toyota van. It was six thirty in the morning and we had a long day ahead. We traveled for six and a half hours to our destination - a little country town with a population of no more then one hundred and fifty people (57 of them being children under the age of thirteen). We arrived hoping to meet up with a man we knew had over one
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