Originally Posted by Dog Bone

Thanks - I've seen that statement made a few times in various places - glad I'm on the right side for a change

Raising the diff would of course raise the center of mass, which would introduce more roll (since the R/C would have a larger radius to work around), but you are *not* changing the roll center.

Perhaps that's what he's referring to?

Originally Posted by CristianTabush

The difference in weight of moving the diff is not that great. However drive shaft angles will have an effect on handling. A drive shaft has a natural tendency of wanting to straighten itself out under power, so the higher it is, the more the car is going to want to straighten itself and lift the a-arms. Opposite would be true if it was lower.