Classic mini Hyrdrolastic suspension information
Hydrolastic suspension was invented by Alex Moulton and was used in many production vehicles, the classic mini being just one. The Hydrolastic system replaces the springs or rubbers and dampers/shocks used in the later systems. The hyrolastic system is connected front to back on each side and provides a comfortable ride using displaced fluid.
Hydrolastic suspension provided a great ride but lost popularity due to the maintenance and technical ability required to drain and re-pressurise the system after subframe replacements or welding jobs.