4kq Differential Operation and warnings?????

[Phil Payne]

> Well, we deprived North Americans didn't get the Torsen urqs. Grumble,
> grumble.

> All North American, and probably worldwide, pre-84, vacuum-operated urq
> lockers had only a two-position switch (open/open, or locked/locked). I
> guess these fall between the "older" ones and the "very early" ones you
> mentioned.

It's a three-position switch.  None, one and both.

> Is the "competition" line mentioned in later urq owner's manuals?

Not in the MB manual.  By that time, competition was far in the ur-quattro's past and it was
sold as an ultimate but restrained sports car.

--
  Phil Payne
  http://www.isham-research.com
  +44 7785 302 803