What am I doing wrong? I cleaned the metal very well before welding, and tried different argon settings. I'm puzzled about what goes on after the bead is laid down that can create pinholes that often ...

Do you have a 7.3L Power Stroke-powered truck with a rusty, leaking oil pan? If so, welcome to the club. This is a common problem, especially in areas where road salt is used. The oil pan on our ...