Quote Originally Posted by SammyPain
lets say i got some holes to fill up. i cant get to behind the holes and like weld something to the panel to give the body filler something to hold on to so how would i go about doing this. any tips tricks?
Assume you're shaving molding? Welding is a bad idea if it's a car built in the last 25+ years with thin sheet metal...not saying it can't be done but without keeping the metal at precisely the right temperature its going to be wavy beyond repair.