I just came across this blog with a very interesting project: http://users.tpg.com.au/atrampus/blog/
Turns out the blog was far less detailed as envisioned. I wonder what happened with the project and the cars. I will add it in any case to the project section - just for the records. On Fchat I found the matching thread, which stranded as well:
More and more I start wondering how many good 400's are remaining in running condition ...