The second Friday practice session in Japan will be extended to 90 minutes in order to allow the teams to work with Pirelli on the 2023 tyre compounds. There will be a second extended session two weeks later at the Circuit of the Americas as Pirelli develops its 2023 compounds with an eye on some of the problems, including the tendency to understeer, encountered in the first season of 18-inch tyres in F1. 'The plan is to test mainly compounds,' explains Mario Isola. 'We have the opportunity to use FP2, that will be 90 minutes and not 60. 'All 20 cars will be running different plans,' he continues, 'as usual, they are blind, so teams are not going to know what they are testing. 'It's really...
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