I have welded a lot of truck frames and never had one crack either,but I have had welds made with 7018 crack on other stuff.7018 is the right rod for truck frames.On other stuff like high carbon steel used in newer cars and farm machinery it will crack.Also on newer trailers like steel hopper bottoms and stuff like that,it will crack.Not always,but sometimes.When it does if you V it and weld it again it probably will last.That brittle steel is harder to weld with 7018.I think 6011 might work better on that stuff if done right,but it can crack too. Even heat treated truck frame is weldable with 7018,and it can and does crack,because I drove a truck that had the frame crack where it was welded,but I didnt weld it,it came that way bought used.It was fixed by an Army welder and he used 7018 and the truck is still being used by a farmer around here.
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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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