Vibes-specific questions

Ive researched to no avail. I here specific questions with regard to driveline vibes. For now, I have a stock truck but "think" I am experiencing vibes at approx 35-40 mph.

When others describe vibes is it during a constant speed? Do you experience it while accelerating or decelerating through a speed? How about while coasting? Under load?

I'm experiencing mine at constant speed of just under 40 mph.. It's very slight so I'm not sure whether I'm blowing it out of proportion. However, it does make me worry I will have significant vibes after my ome/Dakar lift.

 

You didn't search hard enough-there are quite a few threads on vibrations. I have them at that speed to and it sucks.