So obviously you don't know the answer either, but you thought you would just type something.
18000 posts by you in 16 years, the long winter nights must just fly by.
the answer is NO, you will not see the old cars on a WRC event.
Super special stages do have their places in the itinerary. And it's not like the first time Ouninpohja isn't part of the route.
Personally find it more annoying when the route changes are...
There were some Ypsilon Rally4 in Monte-Carlo too ;)
Lancia Corse HF