There are some photos of the short shaft pump on the '55 235 that is going into my 1940 GMC. Look at my webshots album under the 224 to 235 engine swap folder. The freshly painted motor is the 235 with the short shaft pump. I've since removed the pump and installed the adapter plate and 216 pump.
http://community.webshots.com/user/ndnchf


See my 1940 Canadian GMC:
http://community.webshots.com/user/ndnchf