Renault head of track operations Remi Taffin believes the engine constructor's power units will be approaching peak performance at this week's Chinese Grand Prix.
After a disappointing Bahrain Grand Prix earlier this month, where Red Bull managed only a single top eight berth, Renault were reminded of how far they currently are behind the Mercedes-powered teams.
Speaking to N ahead of this week's race in Shanghai, though, Taffin revealed that a big improvement will be visible in China.
"Overall we're looking forward to China - while we know it's still an uphill battle, we feel we have hit our stride now." Taffin told N.
"While we know that the others are still ahead, we have...
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