My old man had a loverly lugged Dan Genner (Excel) and some stupid sod run into him on the cycle way. The frame was in a hell of a state. Needed a new top, down and head tube. Now Dan Genner cut a beautiful lug and filed them down real neat at the ends, next to nothing was left. So when I took this into Tom Boards to get it repaired he took one look at it and said we better get Lenny to cut a bilam just in case that lug collapses when I take the bent tubes out. I hope that illustrates the point. Oh we didn't need it he managed to salvage the lugs.
Best wishes and be lucky. Michael Butler Huntingdon UK.