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Monday, February 26, 2024

Cadillac damage by mid-season IMSA tyre change, says Bourdais

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Bourdais and Renger van der Zande at the moment sit sixth within the standings with two races to go, having scored a single victory of their #01 Chip Ganassi Racing Cadillac V-Collection.R at Laguna Seca in Could.

The Frenchman famous that the change in tyre compounds that started three races in the past at Watkins Glen had adversely impacted Cadillac’s kind, having completed no increased than fourth for the reason that six-hour race.

“We are able to see that some vehicles use the tyres higher than others relying on the situations,” Bourdais mentioned.

“We’ve been utilizing the tougher tyre from Michelin ever since Watkins Glen and it’s positively flipped the order slightly bit.

“The Cadillacs had been a bit happier on softer compounds, taking higher care of the tyres.

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“Now that it’s the tougher tyre by means of the summer season and it’s going to carry true at Indy, it has been tougher for us to extract probably the most out of it and others have been capable of sort of pop up when it comes to efficiency.

“It’s attention-grabbing to see the evolution observe to trace and circumstances after one other. I believe it’s all very shut.

“The BoP [Balance of Performance] has labored nicely. It’s been good racing and we’ve seen quite a lot of completely different winners.”

#01: Cadillac Racing, Cadillac VSeries.R, GTP: Renger van der Zande, Sebastien Bourdais, pit cease

Photograph by: Michael L. Levitt / Motorsport Images

Bourdais famous that the differing nature of the new-for-2023 hybrid GTP vehicles in comparison with their DPi predecessors meant all people was nonetheless “figuring issues out alongside the best way”.

“For us, the GTP has been fairly completely different as a result of it’s a heavier automotive with higher tyres however extra weight with rather a lot much less downforce, so it’s a distinct mixture and you need to be extra affected person with the automotive however you continue to should push actually arduous,” he added.

IMSA will return to racing on the Indianapolis street course for the primary time since 2015 subsequent weekend, and Bourdais defined {that a} take a look at performed not too long ago by Ganassi yielded enhancements for the newest spherical at Highway America.

“It was good to go testing [at IMS]; it was actually the primary take a look at to arrange for Indy since Sebring,” he mentioned.

“So, we discovered fairly a little bit of issues concerning the automotive, and we went to Highway America and it was positively helpful. We had been on tempo and happier straight away.

“The race weekend didn’t essentially end up the best way we needed, nevertheless it positively felt like we discovered a step when it comes to tempo. It’s a classification that adjustments rather a lot.”



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