Well, it's been a litle while since I made a positive, usful contribution t o the list, so I'd like to point you to an article I have written on bar en ds, or plugs, call them what you will. This often neglected little detail s poils many an otherwise perfect restoration, so getting it right is importa nt.
The article is at http://membres.lycos.fr/partspeekers/newpage27.html
Nick March, Agen, 47000 Lot et Garonne, France