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  Article Image gallery (8) Specifications  
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Country of origin:Italy
Produced in:2018
Predecessor:Toro Rosso STR12 Renault
Successor:Toro Rosso STR14 Honda
Author:Wouter Melissen
Last updated:March 02, 2018
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Click here to download printer friendly versionCompared to a year earlier, it was all change for the Toro Rosso team going into the 2018 season. The all-new STR13 featured a different engine and gearbox compared to the car raced a year early, while the team also boasted a new driver line-up compared to the start of the previous season. Brendon Hartley and Pierre Gasley did, however, drive the STR12 during the second half of the 2017 season.

What was all new for the STR13 was the Honda drivetrain, which was previously used with little luck by the McLaren team. Like all 'power units', Honda's consists of a turbo-charged V6 engine combined with sophisticated electric motors that harvest power both through braking and from the turbo. In previous seasons, the Honda unit proved neither reliable or powerful enough to challenge the rivals but Toro Rosso took a leap of faith, also in part to sample the engine for the senior Red Bull Racing team.

With regulations remaining virtually unchanged, the STR13 was an evolution of the STR12 with most changes made to accommodate the new engine. The most substantial change was the need for a brand new eight-speed gearbox. Designed and built over the winter, it was developed by the team faster than any previous gearbox. The most obvious visual change was the adaptation of the 'HALO' head protect system.

Unveiled at the start of the first of a pair of four-day test sessions at Barcelona, the Honda-engined STR13 was one of the big surprises. Not only were the times representative, the Toro Rosso machine actually completed the most laps, suggesting the reliability issues were at least somewhat cured.

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  Article Image gallery (8) Specifications