Originally Posted by Adam Ash
A car with an LSD should NEVER be used on a MOT braking machine

.
Very easy to screw the diff up completely

, ALWAYS insist on the machine they put inside your car, be it electronic or the mechanical swinging one.
Why will it screw the diff up?
the machine only turns the wheels over at 5-6 mph, how can that be worse than wheel spinning in a corner and spinning the LSD up at high speed?