I hope Ferrari's pace is strong enough to put up a fight. The data of the long runs suggest that RBR is stronger on the C3, but Ferrari is stronger on the C1, which over a race distance puts them even. It's possible (and likely) that RBR have more pace in reserve, but the gap shouldn't be unsurmountable.
With the lunch break cancelled and 9 teams planning to switch drivers, does anybody know how long it takes a team to "convert" the car from one driver to the other?