McLaren team boss Martin Whitmarsh has admitted that McLaren was "too ambitious" during the design phase of its 2013 chassis, with the outfit choosing to overhaul the race-winning MP4-27 chassis in search of a much larger development curve.

Schmidt Peterson driver Simon Pagenaud set the pace during Carb Day for the Indianapolis 500, with the field practicing for the final time before Sunday's race. The Frenchman delivered a 225.827mph effort to usurp E.J. Viso in the closing stages of the session, while reigning Champion Ryan Hunter-Reay completed the top three.

Caterham has confirmed that its cars will again be powered by Renault engines in 2014, the Leafield-based outfit opting to remain with the French manufacturer as the sport approaches the transition from V8 powerplants to turbocharged V6 units.

Kimi Räikkönen has modified his helmet design following the first day of practice in Monaco, GPUpdate.net can reveal. The Finn, who is paying tribute to James Hunt, is believed to have been pushed into a change by FOM (Formula One Management).

Arden driver Johnny Cecotto Jr. has been suspended from Saturday afternoon's GP2 Sprint Race in Monte-Carlo, with stewards deeming the Venezuelan responsible for causing the mammoth 14-car pile-up at the first corner of the Feature race on Friday.

Toro Rosso team boss Franz Tost says the field should be using the opening practice session of Grand Prix weekends to test new tyres, with chiefs still debating the way in which sole supplier Pirelli is planning to implement its upcoming changes.

When McLaren romped to victory in the final two races of 2012 there was every reason to believe that the Woking-based team would be serious championship challengers this season, even withstanding the loss of Lewis Hamilton to rivals Mercedes. But with the MP4-28 failing to live up to expectations, rather than planning a title push, team principal Martin Whitmarsh faces the daunting task of turning McLaren's fortunes around. In this exclusive interview, he discusses their current struggles and the form of drivers Jenson Button and Sergio Perez, but the first topic on the agenda is Honda, with whom they will join forces in 2015

If you hold a party at the start of the Monaco Grand Prix weekend it had better be good. Force India's Vijay Mallya knows that - he's been doing it for years and every time it gets better. Thursday evening's event was again high on the 'wow' factor, as a full moon over Monte Carlo greeted the great and the good as they were welcomed aboard