John, I have thought about this a bit and it is tempting. I remember reading some posts on this over the past year and it looks doable.

My local Volvo junkyard has two or three 122s and 1800s that have been there for years. It is all I can do to keep myself from making a run over to see what's there. I'm thinking that I would wind up having to buy all new parts as the rotors and calipers would probably not be useable from a car that has been setting for years in our midwest climate. So disc brakes would cost a lot more than the $100 or so a wheel I expect to spend for new wheel cylinders and brake shoes.

On balance I think that my platter already has enough on it just trying to get through this process doing it the easiest way I can.

But thanks for the thought. I'm delighted with the decision to go from the B16 to B20 that you and others recommended a year or so ago when I was just getting started.