McLaren: Too early to judge 2013 tyres

McLaren sporting director Sam Michael thinks it is too early to judge whether Pirelli's 2013-spec tyres are easier to use, despite an encouraging first run in Brazil. Formula 1's teams have been handed extra sets of 2013 rubber to try out for the first time at Interlagos, with Pirelli keen to ensure the new rubber is easier to get into the right temperature window than this year's products

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