Quote Originally Posted by rallyfiend View Post
Yesterday Ogier's car had the 'old' rear on it.

I guess they're still undecided which to use, and running back-to-back tests...
Either that or they take the opportunity to gather data and compare as well as letting the drivers get a feeling for both. When they introduce changes there are often pros and cons, this way the driver can tell more accurately what he does not like about the change in feeling and they can counteract it with some tweaking.