2009 Audi A4 Avant B8

[Dave]

the crown diff is not a torsen, but an arrangement of different diameter
crown gears that splits torque.  description on how it works is up on
wikipedia.  the rear sports diff is also not a torsen design...


dave
¹08 rs6 avant
¹12 vw alltrack




On 23/09/14 7:00 am, Cody Forbes wrote:

>
>- RS5 introduced the new crown-gear center Torsen with variable torque
>bias front to rear. I think it's still the only car with it, or maybe
>B8.5 S4's can get it optionally.
>- "Sport Diff" rear differential which is standard on RS cars and
>optional on S cars starting with B8. It's a complicated arrangement of
>torsens and clutches that allows torque split to be changed left to right
>(torque vectoring).
>

>-Cody Forbes (mobile)