The Toro Rosso Formula 1 team still needs to do a lot of work to make its Spanish Grand Prix upgrade work how it expected, admits technical director James Key. The team had a difficult Friday practice at Barcelona last week, and then Daniil Kvyat was slowest of all in qualifying. Carlos Sainz Jr was happier and made it to 12th, which he converted to seventh in the race, while Kvyat came through from 19th on the grid after Stoffel Vandoorne's penalty to ninth place with a bold strategy involving just one lap at the start on medium tyres. Key believes there is much more to come when the updates are fully mastered. "It was a tricky weekend actually," he told Motorsport.com....
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