Im more than capable of a reasonable argument. I'm choosing to keep my views to myself as in my humble opinion this is not the place for this discussion.
Good Chat tho.
Tony,
I wouldn't trust stock knock control as far as I can throw it. Throw any decent knock detection gear on a stocker and belt it. You'll be surprised.
Point to note with these motors. They will keep making torque well past the knock threshold.
Where are you located mate?
It's quite possible if the bushes have been installed at the incorrect depth the front supports for the diff will contact the cradle under load and transmit noise and vibration.