“It is an engine that offers the potential to cope with an awful lot of development. We have lot of ideas of concepts in the pipelines, most of them, as far as I am aware, have not been seen at the track.”
The unit for the Australia Grand Prix will be upgraded, with plans to deploy it at the Spanish Grand Prix.
“Clearly I am not going to disclose anything, but we are super excited by the level of innovation that this new platform offers. So it is a choice that we are not making for the start of the season, but we are definitely making for the long term.”
http://www.f1technical.net/news/21127
as i said its a brand new concept they are working on for 1 year now, Cyril is as conservative in his words as pre 2016 season view, the order are " sandbagging's better in f1 these days " hey hey