Only short term runs in more open circuits, was very hot at the track with >30C, and out in the concrete jungle the heat radiates
Engine 10cm closer to the firewall under the new COTF and appears to just be an over site on cabin temps, guess the spaceframe chassis provides less protection than the chassis of old.
The Merc's weren't expecting to win, minimal testing due to brake failures.
COTF are all new car, Nissan and Merc need to get their head around the COTF parts and engine, holden and ford just the COTF parts as they have proven engines for the last 20 years.
Kind of scary to see how easily the cars peel back when in a crash / hit curbs, sunday qualifying had a great example, super slow mo of HRT hitting the chicane and all the pans separating from the car.