Need help with this Japanese puzzle - please tell me, without a torch, how to remove the front propshaft u-joint/trunion from the back end of the SM420.

[img]https://www.flickr.com/photos/mikeybs51chevy/50203611701/in/dateposted-public/[/img]


1951 Chevy 3600 rust bucket with GarWood dump bed conversion
http://www.flickr.com/photos/mikeybs51chevy