I have just noticed your post of 8th Sept 2002, and the problems you had on front tyre wear sound similar to mine.
You mentioned that a Local garage seemed to sort out the problem,
Can you tell me the name and location of the garage ????
I have still got a uneven tyre wear problem on my 2000 plate 2.5CDX (only 22k mls), on front N/S and featheing of outside edge mainly. I don't know why, but the car has never "Felt" right and there is resonance or vibration through the car at a couple of certain speeds (30mph and 70mph).
The Vauxhall Dealer I bought the car from (COWBOY Dane County - Nortwhich Cheshire with 8k mls) and they have had the car back too many times than I care to remember and they still have failed despite changing lower bushes(and Prop-Shaft !!)and tracking vehicle on many occasions.
I am hoping that I could take it to the place you had yours done if you were happy with it as I am prepared to travel if it could sort it out. I may then be able to have the "Rails" installed on my Omega which I am sure has never actually experienced them in the first place
- poor thing!
Hope you can help.
Cheers,
Andy.