Question : I HAVE changed my car's suspension
but the vehicle still vibrates when the
road is bad and when cornering.
Using harder springs and shock absorbers does not mean that you will get a
better ride or better road holding.
What is important is that the set-up
Sometimes the springs and shock absorbers are mismatched and so you will
get "shuddering" and bouncing.
If your shock absorber is adjustable,
you could try softening the settings.