Link below show a great tool to use for butt welding panels. My question now is if I butt weld a new panel into a hole, after I finishing welding\hammering it, I guess I grind the weld down just a hair below the surface, then fill it, sand it, etc?
http://www.funinbc.com/forum/showthread.php?t=103903
http://www.funinbc.com/forum/showthread.php?t=103903