I finally am finished with some driveline work. I am doing a 56 Apache 235 w/3spd. I replaced both front and rear ujoints as well as the transmission slip yoke. When I first drove it and got over about 25mph I a felt a good bit of vibration in the steering wheel, but could really feel it. It did not vibrate before I replaced those joints. (The joints were really worn, btw. Especially the front one). As I drove it more the vibration lessened. Now I primarily feel it when I de-accelerate. The vibrating shows up primarily by the steering wheel vibrating a bit. But you can feel it in the cab. So I am just chalking it up to all of these new parts needing to work themselves together and wear in a bit. I hope that the vibrating will stop over time. Am I under-reacting here? Is there anything else I should be checking?