Ball Joints or steering rack?

[Craigc2]

Today i did a track day at Rockingham. a Problem i found on the very first corner (sharp left hander) the Steering wheel generated a Sharp Vibration! and i could hear a Grinding type noise. But only on the sharp left handers. The long sweeping corners were fine and no problems with sharp right hand bends..

Does it sound like just a minor ball joint failure or something a little more serious. If it does turn out to be the ball joints should i buy a whole new front set??

Thanks in advance

Craig.

Edited by Craigc2 on Sunday 22 June 22:57

[Paul Drawmer]

This a pure guess.
Have a look at the tyre in the front right - are you sure that excess roll/low suspension/wide tyres etc was causing the tyre to contact the wheel arch?

[Mr2Mike]

Ball joints don't make grinding noises, they tend to rattle over rough ground when worn and cause the car to wander.