Amid all the excitement about Formula 1's bright post-Ecclestone future, reality is likely to bite very quickly for Liberty Media when it has to deliver on its self-proclaimed mandate for change.

Any underlying resistance to new ideas presented by F1's new owner will manifest itself in the form of those ideas being derailed as they pass through the sport's long-dysfunctional decision-making process. That's the process that gave us double points and elimination qualifying, remember.

But while even those within F1 are expressing some support for certain changes - such as better promotion, a more exciting spectacle and broadening the sport's appeal to a wider audience - there is one issue sure to provoke arguments over the months to come. Engines.