Quoting Removed, click Modern View to see For me, welding is quicker, and I want to just heat the bolt so it will swell more against the threads crushing the rust and making space when it is cool.
I saw an interesting "How It's Made" (love that music) on rebuilding continuous coal mining machines. The point that got me was they were taking a large flange off, probably 1-1/2" bolts, and they heated the bolt heads red then put the impact right on and backed them out. Did not make sense to me but it wasn't these guys first rodeo either. They took them out really hot.
I've had trouble trying to lube hot bolts, I've had the lubricant cook in on a reheat and seal the bolt, so if it'll come out dry that's how I do it.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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