Old vs new Super suspension

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Tried a little search but no luck...

So: what is the big advantage swapping the early 3-bolt to the 2-bolt strut?
As far as I can read, VW did this to improve safety. Can anyone explain this issue a bit better? I think it is similiar to rolling a wheel with it leaning to the inside vs the outside = more stable

Are there any more issues? Clearance with larger wheels?


And lastly: are there any good kits to lower the 3 bolt design? Don`t need coilovers, looking for a about 50mm lowering. At what point do I need to change the shocks?