Because earlier tests with Pirelli's new prototype tyres could not go ahead, the Italian tyre supplier was faced with the problem that they did not have data available to design and produce the new tyre for 2021. That's why they will use Pirelli's prototypes at Portimao this weekend during the second free practice session. "The aim is to develop a relationship with higher reliability. This, means that we can drive at lower pressures. This, together with a reduction in downforce, should allow the tyre to work better and prevent overheating," explains Mario Isola to Motorsport.com. Read more 'At the moment everything seems to be conspiring against us' Honda: 'Marko has not yet...
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