Originally Posted by strangehighways
The rear seems to suddenly shift to the side before settling down. It is much worse in the wet.
The behaviour is apparent when just driving in a straight line and going over some rough road.
Does anyone else have experience of this? Could it be something other than the camber? How would I lessen the negative camber?
Try having less than the recommended amount of toe-in. I had a 1996 Spider that, like yours, had too much negative camber on the rear wheels. After a wheel alignment, the back end would squirm over manhole covers, bridge expansion joints, etc. I reduced toe from 4mm each side to 1.5 each side, and the back end became far more demure, which solved my problem. I realise that the rear toe-in helps with turn-in stability at high speeds, but I would rather the back end felt stable at lower speeds and when not driving hard!
You could do it yourself by lengthening the rear links by two turns each. Usual disclaimers apply - no responsibility accepted here for mistakes leading to a dangerous vehicle... but if you are methodical about it, I really do think you'll be happy with the improvement.
Some tyres are more sensitive to toe than others. I see nothing wrong with making a correction to the specified settings, particularly when the camber is outside spec anyway.
EDIT: whoops, missed the last few posts due to the page not loading properly
oh well, the advice still stands... Glad you have it sorted to your satisfaction