Sauber have made 'essential revisions' to the C33, its 2014 Formula 1 car, ahead of the Spanish Grand Prix next week. read more »

An early chequered flag causes revisions to the result of the Chinese Grand Prix, albeit not to the places that matter... read more »

Sauber are readying a "very extensive" aerodynamic package and revisions to their new C33's braking system for the back-to-back tests in Bahrain later this month. read more »

Pirelli says initial feedback over the prospective new tyre construction to be introduced from the British GP has been "positive" and it is not expecting the... read more »

Pirelli have accelerated plans to introduce changes to their controversial 2013 tyres, with the revisions to now be rolled out in time for the Canadian GP in two races' time. read more »

Sauber has made revisions to its fuel system procedures for this weekend's Malaysian Grand Prix in a bid to ensure that there is no repeat of the problems that sidelined... read more »

Free use of DRS in practice and qualifying is abolished by the FIA for the 2013 F1 season read more »

Ferrari unveiled the first step of its major new upgrade package at Mugello on Thursday, as the team brought in revisions to the exhaust exits and rear bodywork of its F2012. read more »

Ferrari aren't expecting any Malaysia-type miracles this weekend, and just want to get through one more race before heading back to Europe for major revisions to the car. read more »

Romain Grosjean says his Lotus feels just as good now as it did in the opening test, despite the revisions his outfit was forced to make to its front suspension. read more »

Race Director Charlie Whiting has said the effectiveness of DRS will be examined after the Chinese Grand Prix but with fans and teams already critical of the system, could it... read more »