So then i comes down to incorrect or poor setup, and not bad design!
In that case it wouldn't be difficult to make it silent. But (so far as I know) even Garage 56 couldn't make a setup which didn't scream. So what is the cause of the screaming ?
Bwitched has rebuilt his box to be quiet http://www.talkmorgan.com/ubbthreads.php/topics/267875/Bevel_box_rebuild#Post267875 Another thought on the difference between the BMW and Quaife bevel box is that the bearing arrangement in the Quaife design by virtue of the use of angular contact bearings means the pinion is supported for thrust in both the forward and reverse direction, whilst the BMW box appears to be only supported for thrust in the forward direction.
