The recent Jerez test was (for those that launched 2012 cars) all about systems checks, baseline set-ups, reliability and getting to know Pirelli’s 2012-spec tyres. This week’s Barcelona session is where the teams really start hunting performance - and where a genuine pecking order for the new season could start to emerge. It will also see the public debut of Mercedes’ new MGP W03 and Vitaly Petrov’s first appearance for Caterham. We examine the form book ahead of Tuesday’s first runs at Spain’s Circuit de Catalunya…
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