Tech blog day 4: No final-day upgrade bonanza

Tech blog day 4: No final-day upgrade bonanza

The F1 pack surprised on Sunday at Barcelona as relatively few upgrades appeared on the final day of winter testing. Craig Scarborough analyses the main technical snippets from day four

Sunday March 3: no upgrade bonanza on final day

Contrary to early expectations, the final day of Formula 1 2013 winter testing didn't feature a mass roll-out of new technical innovations.

Having lost so many days with bad weather it seems the teams opted to bolt on their Melbourne spec parts on Saturday, a day early, leaving them with two clear days to refine their final set-ups ahead of Australia.

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