Torsion bar

The torsion bar would have been easier to work on before the rear suspension. There are two attachment points to the engine and the upper suspension arms come in the way. On the other hand, those arms help a bit to keep the attachment points in place. The links between the hubs and the torsion bar must be joined by "hot fix" (flattening the end of the parts with a hot device), a process which I do not enjoy much, but seemingly efficient. This whole assembly looks very fragile anyway.