We were trying to replicate 2011 downforce levels on the old car -- so it was n't 100 per cent accurate -- .
We still got a good understanding of the new Pirellis and covered quite a lot of ground .
We were trying to replicate 2011 downforce levels on the old car -- so it was n't 100 per cent accurate -- but we still got a good understanding of the new Pirellis and covered quite a lot of ground .