different size tires (OD)

[quk@sievers.com (Phil Payne)]

In message <97Apr14.144235edt.8069-2@gateway.nwh.org> "Sean Ford" writes:

> I believe ABS releases a locked brake only when others are still spinning.
> Of course, if you are traversing a perfectly smooth sheet of ice and all 4
> wheels lock up... well, then your ABS computer thinks that your car is
> sitting still!

Which is the reason Audi started fitting an accelerometer from around 1988/9 
onwards - the ABS can then detect a car that is still moving but has all its 
wheels locked.

--
 Phil Payne
 phil@sievers.com
 Committee Member, UK Audi [ur-]quattro Owners Club