Originally Posted by
Airwave
Free on the shock it can slightly move up and down, juste as Martin explains in the video... if you need preload, it means that you are not using proper springs. By the way, I'm used to touring car on carpet and asphalt, and absolutely not a specialist in rally :-)
In modern touring cars, the effect on the camber gain is quite negligible compared to the changes to the roll center...
Also an interesting video there:
https://www.youtube.com/watch?v=L6XNDw7Ql84
I keep seeing diagrams like this, that assume the lines from the upper and lower links converge. I've had a look at one of my cars and they diverge. How does one find the roll centre in that situation?