I'm replacing my floorpans, as well as the piece that goes along the firewall on the interior, stretching between the longs. I have drilled out all of the spotwelds that I have seen. I have taken my airchisel and physically seperated the piece from the firewall, but it seems stuck in the middle. This piece that that I call a "ledge" where the backpad connects, are there more spotwelds on the horizontal part of this that need to be drilled out??? I have stripped the paint, but don't see any. WTF???