i welded a large nut on the end of a old shaxkle pin and use it to drive the bushing out. or take your hack saw apart, stick the blade thru the bushing, reassemble the saw and have at it in one or two places.

http://www.flickr.com/photos/11977495@N06/sets/
1952 COE
1952 3100
1953 3100
1950 6400
1951 Suburban