Sainz Jr. pleased with Toro Rosso upgrades in final test

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Carlos Sainz Jr. has spent a fruitful day behind the wheel of the Scuderia Toro Rosso STR10 car in Barcelona after the team introduced a raft of upgrades ahead of the first race in Australia next month.

The third and final pre-season test of the year kicked off in Barcelona today with Felipe Massa finishing at the top of the timesheets for Williams.

Sainz could only finish seventh in the final standings for Toro Rosso, 3.4 seconds down on Massa’s time, and the Spaniard lost some much-needed track time due to a technical issue on the car.

However, he was pleased with how the upgrades for the car worked, and explained how he felt more motivated as a result of the improvements.

“It was very nice to drive the car fitted with the update package,” Sainz said. “That meant much of my time was spent collecting valuable aero data for the engineers to study. Then towards the end of the morning, I managed to do a real run.

“I could immediately feel an improvement in the car, in terms of its overall grip and balance. That was a very positive and motivating feeling for the rest of the day.

“We did have an issue that cost us some track time in the afternoon, but the guys did a great job to fix it and get me out on track again, with enough time to do two more useful runs before the checkered flag.”

Ahead of his F1 debut in Australia, Sainz has enjoyed a productive winter by completing hundreds of laps behind the wheel of the Toro Rosso. He will now be hoping to build upon these improvements with a good showing in his final day of pre-season running on Saturday.

Max Verstappen will take over the reins in the STR10 on Friday, with testing continuing until Sunday in Barcelona.