Andy Burns wrote:
Bob Minchin wrote:

Andy Dingley wrote:
http://commons.wikimedia.org/wiki/Fi..._polishing.jpg

I use a similar method to get the hooked edge off worn discs provided
that there the overall swept area and thickness are within specified
limits.

Done carefully with wheels chocked it is perfectly safe.

And a brick on the accelerator to spin the axle?


Tick over and top gear give a suitable speed for the job and does not
unduly stress the diff as you only need a few minutes per side.

Bob