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Sainz: Lack of engine gains key to Renault's poor form

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Sainz: Lack of engine gains key to Renault's poor form
By:
Oct 9, 2018, 10:24 AM

Carlos Sainz believes that lack of progress on the engine front in the second half of the season is the chief reason for Renault’s performance slide.

The French car manufacturer had been a regular contender at the front of the midfield pack during the first half of the season, but has fallen away in recent races as other teams’ developments have pushed them on.

But while some of Renault's struggles are down to the car itself, Sainz thinks that not having introduced an engine upgrade in the second half of the year has hurt.

Renault decided not to take the C-spec version of its power unit because of reliability concerns, even through Red Bull has shown that there are performance gains.

“I think there was a big setback with probably the engine side,” Sainz told Motorsport.com. “We didn’t expect Ferrari and Mercedes to do such a big step through the year.

“We thought that the B-spec was probably going to be just enough, but we’ve seen at the moment that it is not enough.

"We brought things to the chassis, probably the chassis is not that bad, but on the top speed side we are not where we want to be.”

Asked if, with the benefit of hindsight, Renault would have been better off taking the C-spec engine as its third power unit, Sainz responded: “If it comes without reliability, no.

“The team is fully sure that with our fuel it is just not reliable enough, so I fully back the team with whatever decision they take.

“I just think we need more power, which we don’t have, and we don’t get it for whatever reason. If we wanted to be in Q3 in Japan we just needed more power, and Honda has showed that it is possible.”

Sainz thinks Renault ultimately needs a deeper analysis of what has happened to its form recently to work out exactly why others have made bigger steps

“I feel that there has been a big development race [from all teams] during the year,” he said. 

“I’ve seen the team do a lot of effort to bring parts to every race. We brought a lot of stuff over the year but probably we just haven’t got as much as the others in terms of performance on track.

“We need to see why, we need to analyse why but we definitely see it at the moment. We are too far to be a Q3 contender at every race."

Carlos Sainz Jr., Renault Sport F1 Team R.S. 18

Carlos Sainz Jr., Renault Sport F1 Team R.S. 18

Photo by: Manuel Goria / Sutton Images

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About this article

Series Formula 1
Drivers Carlos Sainz Jr. Shop Now
Teams Renault F1 Team
Author Jonathan Noble