sticky weld
i had the same frob with my cosmo. turns out that the nozzle hole becomes enlarged very quickly especially if like me you hold the nozzle to far away from the weld. what happens is that rhe wire actuall welds slightly to the inside of the tip. replace the tip quite often. its better...
Mini A Panel
if you dont have a spot welder you can sometimes buy a spotweld tip for your mig. it allows you to position the nozzle directly over a pre drilled hole on one panel and weld through to the other panel. you can do this with an ordinary nozzle but you need a steady hand. drill a...