The switch of front and rear wheel and tyre sizes outlined by Motorsport.com last month has been confirmed, along with aerodynamic revisions necessary as a result of the change to maintain airflow and remain within the performance windows laid down by the LMH regulations.
Toyota’s revised challenger, which will race for the first time in the 2022 WEC season opener at Sebring on March 18, is now running 12.5-inch front wheels and 14-inch rears rather than 13-inch wheels it ran at all four corners last year.
These are the two options currently allowed in the rules and were devised to reflect the different requirements of four-wheel-drive hybrids and cars with rear-drive only.
Pascal Vasselon, technical director of Toyota Gazoo Racing Europe, explained the change has been designed “to address challenges we faced last season with management of the rear tyres”.
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