i understand the concept behind diffs.. but can anyone help me with diff setups please? when we put lower weight vs higher weight diff fluid in diffs? what are we trying to achieve? if we put in highter weight diff fluid, it probably makes diff slippage less?? can u please explain.. also please tell me what we are trying to achieve with real time driving examples.. on what condition what helps and why/ how? i am also trying to learn reasons behind it. anyone knows this? thanks a lot.