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      08-01-2009, 10:06 PM   #5
chaz58's Avatar

Drives: 328iT
Join Date: Oct 2007
Location: Detroit Burbs

iTrader: (0)

Yeah, e-diff would only make a difference if there was zero traction on one of the wheels (i.e. in the air).

My Audi basically did this. If there was zero traction at a wheel, it would brake that wheel (at speeds <20mph) so that you wouldn't be stuck even though you have AWD.

In my experience, the e-diff only makes a difference if you press the DST button (and then it makes a huge difference).

Originally Posted by zsapphire7 View Post
its not need.. The only time the quaife has issues is when it loses full traction to the inside wheel since it multiplies the tq to the outside wheel. 0 times any number is still 0 and thus will behave like an open diff, minus any preload. The elsd will kick in at that time however and any braking tq applied to the inside wheel will be multiplied to the outside. Essentially u make the elsd much more efficient instead of an open diff only transfering an equal force to the outside wheel.

My thoughts are that the elsd compliments the quaife really well...