Saviem's fan club (Part 1)

pete smith:
Hi Fergie/Saviem, What is this one? Cheer’s Pete ( sorry if it has been on before but too many pages to look through)

That looks neat enough to be a factory job to me. I went for a look for more, without success. I found lots of other interesting motors, though:
google.co.uk/search?q=wille … AWsQsAQIGw
forum-auto.com/automobile-pr … -34440.htm
forum-auto.com/automobile-pr … -23450.htm

What was the WR8 prototype for?