Well I toyed with the idea of just going with a Phil Wood BB, but I think I'll go with the chase and face route. The only down side to that is the time involved to get it done. Only other time I've had it done around here was with my Tommasini frame - involved two trips up to Charlottesville, 1hr 20 minutes away. Anyway I did a little experiment today. I tried a cup and cone Campy BB, tightened it down until it binded, backed it off. No play in the spindle but the adjustable cup stuck out more threads than I'm used to seeing - I just hand tightened the fixed cup too. I tried it with the spindle in both ways as it might be asymmetric without any real difference. Tried again with two adjustable cups (benefits of being a Campy hoarder) and got pretty much the same result. Makes me think a PW BB wouldn't make a difference in this case.
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N = '96 Colnago C40, '04 Wilier Alpe D'Huez, '10 Colnago EPS, '85 Merckx Pro, '89 Merckx Century, '86 Tommasini Professional, '04 Teschner Aero FX Pro, '05 Alan Carbon Cross, '86 De Rosa Professional, '95 Gios Compact Pro, '95 Carrera Zeus, ‘81 Masi Gran Criterium, ‘81 Merckx Pro, ‘89 Cinelli Supercorsa, ‘83 Bianchi Specialissima, ‘VO Randonneur, Ritchey Breakaway Steel, Rivendell Rambouillet, Heron Randonneur, ‘92 Ciöcc Columbus EL