I spoke with Steve regarding the questions asked.

1. Wrench Bender, No mods were required to the retainer.
2. Bowtietim, No the only mod to the shaft was trimming off the end of the pilot shaft.
3. Joker, on the model trasmission used the speedo was mechanical. Later years used an electronic sensor, but not sure when that came to be.

thanks for the feedback folks.

Ned

1951 Chevy 1-Ton Panel
In the Stovebolt Gallery
Pictures of the restoration on Photobucket
Now cruising in the Passing Lane
RIP good friend.