Quote Originally Posted by Carlo View Post
"Group A rules required 5000 units ("base models") be built in a single year etc.etc."

This was the requirement for both race and rally, there were only one set of rules and one set of homologation numbers and papers per make/model and numerous extension papers that were approved on a regular basis
I thought evolution models weren't permitted for rallying, ie no Sierra RS500s, or was that just a quirk of the World Rally Championship at that time?