Im hoping Brawn are playing it safe to ensure finishing the race in points than to drive too fast and blow up...
While Buttons in clear air like he is I cant see his engine being that bad regards cooling.
EDIT: Eh Rubens told to increase revs on engine but Button is told opposite?!?
ps3ud0
Because Buttons job now is not to damage the car trying to pass two toyotas. Purely peg the gap and wait for the stops and clean air, then you will see the brawn fly.