[Healeys] Trany Noise Question

[Greg Lemon]

Long shot, but when I replaced the U joints on my 100 I did not get one of 
the retaining rings fully seated and so the driveshaft was rotating slightly 
out of round and I got noise and vibration that may be similar to your 
description, since you mentioned new u-joints and speed sensitive it came to 
mind.

A couple thunks to an appropriately sized socket to properly seat the 
retaining ring or circlip and the issue was solved.

Greg Lemon