Source :Muramassa
Regarding token use, Hasegawa made some key/interesting remarks back on Thursday, so I just pass this info/quote early
(dotted parts are Hasegawa quote)
http://www.as-web.jp/f1/18201
it's no longer a stage where we are waiting for it, we want to introduce it as soon as possible. When/after we are able to confirm the outcome/achievement, we'd like to inform you like "to tell you the truth, what we've put was actually something like this".
- Eric B answering to Japan's FujiTV
"The timing of token introduction has been decided, but I cannot reveal."
(situation like putting token upgrade to JB's PU only first at Canada can happen?) We are not introducing upgrade separately (between drivers). Even if use token, it is ok that engine block itself is the same/unchanged, so in terms of engine itself we are going with the same one.
Alonso's new ICE for Monaco received reliability upgrade
This time's reliability upgrade is a measure that takes future prospect into consideration. We could confirm the reliability that one PU goes through 4GPs, but in order to further increase power and mileage at the same time in future, there were areas that required reinforcement. So we took measure for that (with reliability upgrade for Monaco).
bit scattered so to summarize:
- when to use token decided already but wont tell when in advance (Eric B, Hasegawa)
- nuance of Hasegawa comment suggest it's imminent (canada or the one next rather than many races later)
- From Hasegawa's comment above ("go with same engine block" part), the writer is guessing the change can be for those non-restricted components, same as what Merc and Ferrari did at Sochi, hence it might be injection or ignition related rather than one or few of the 6 sealed/restricted components itself, which I think is legit guessing and one of the possibilities