Got this book in the mailbox a few days ago. It’s originally written in japanese by Hitoshi Uemura, the “chief of staff” of the nissan design studio that designed the 240Z / Fairlady Z. It has since been translated to english. It has about 100 Pages of information about how the Z was designed and engineered. Haven’t read it yet but it sounds very promising. Always good to get some first-hand background information, rather than all the (and often wrong) information floating around the internet:
If someone is interrested, you can buy it here.