Hi,
the video gives you a detailed step by step tutorial how to replace and to adjust the torsion plates of your Porsche 911. Doing this you have to do also a basic adjustment of the torsion bars. The video explains and shows this procedure also in detail.
https://www.youtube.com/watch?v=6qgXHYmuYG0
The video has a German soundtrack, but detailed English subtitles are available at YouTube.
Enjoy it,
Jürgen