Sat Mar 03, 2012
- Pérez tops penultimate day at Barcelona
- Caterham aware of 'small step forward' with new car
- Ricciardo adds 131 laps on STR7 tally
- 129 laps confirm Mercedes W03 reliability
- Pérez sets fastest Barcelona testlap so far
- Williams satisfied with perfect day of testing
- Red Bull debuts new RB8 chassis, different exhausts
- Red Bull adds sidepod duct to blow diffuser
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