I found some NOS idler gears for my Rockwell 11's quick change on ebay.
One fits pretty sweet, the bore on the other's a little small. Dave
Gingery describes a way of making reamers that sounds doable - make an
acute bevel cut across a piece of drill rod or crs.

I only need it for one bronze bushing - think it'll work? Anybody
made/used such a tool?