Very amateur PU question from me guys but as a McLaren fan intrigued by their return to Mercedes power, I’m trying to nip in the bud some things I read back at the start of the hybrid era:
In 2014, there was a bit of chatter about customer teams not knowing how to maximise the PU performance in the same way as a works team- are we now in a time where the FIA strongly regulates the usage and software shares from works to customer?
In 2014 I believe McLaren were still a Mobil fuel partner. With Mercedes being in great synergy with Petronas, I’m led to believe that the works team generated far better/more efficient performance using Petronas and that McLaren may have hindered themselves using Mobil that year- is this correct in any way? And with that in mind, is it now the case that all customers get the same fuels and lubricants as the works provider? (ie, use Petronas even if sponsored by Gulf, for example)
There was that podcast a few years ago from the ex Lotus guy who talked about engine modes and that there was an occasion where they were given a mode mid-race to fight a Merc rival that the drivers reported to be far better than anything they’d had before but that the Merc engineer wouldn’t tell them what it was or how it was achieved, and I suppose that really lit my interest in the subject, especially when McLaren announced they were going to be a Merc partner again.