Nissan was constantly busy improving parts, making them better, and adapting them to ever-changing regulations.
More than 50 years later, it is often not so easy to answer the question of "why".
This always involves comparing official documents, talking to contemporary witnesses, or understanding the current situation in Japan and in the world in the 1960s and 1970s.
On this page, we therefore want to look at the history of the parts, compare the different versions and try to explain the circumstances.
