23. Here’s a completed weld. Cornet also drilled holes into the outer tubes to allow extra surface area to weld the tubes to the sleeve for additional strength. He also says it’s important to set your welder with enough wire speed so that the weld is convex, to extend beyond the surface of the tube. Not only does this help guarantee a strong weld, but it also allows you to grind off the excess for a nice, smooth surface. After the chassis is repainted you won’t be able to tell where the repair was made.