Originally Posted by
HKSjbg
There have been discussions on this forum over the years of certain regulations stipulating 'no centre diff'. To me this is engineering nonsense - 'no centre diff' means no four-wheel-drive. It's either locked 1:1 ratio (no way that is what is being used without dreadful tyre wear and horrible handling characteristics), open (what I suspect is truly meant by 'no centre diff'), limited-slip (torque-sensing, viscous etc.), or electronically controlled 'active diff'. I know that even Rally2s have LSDs (correct me if I'm wrong), but not in the centre?