The group mirror test that hinted at 2023 F1 rule change

Indeed just four teams opted to bring new parts to a circuit that has very different demands to the two circuits that are either side of it in the schedule.

But that did not stop Friday’s free practice session offering a little bit of tech intrigue, as there was a group test being carried out on behalf of the FIA.

It followed tests by Red Bull in Hungary and Mercedes in Belgium of larger rear view mirrors, which the governing body is potentially…