Formula 1’s official tyre supplier Pirelli has said it was surprised by the simulation data it received from teams ahead of the Italian Grand Prix weekend.
It has only stipulated higher tyres pressures than this on one previous occasion this year. At the second race at Silverstone, one week after three drivers suffered late-race tyre failures, the minimum front tyre pressures were raised to 27 psi.
“A common question that I had in the last couple of days is why the prescriptions are so different compared to last year, especially the front pressure that is 2.5 psi higher than 2019,” said Pirelli’s head of motorsport and F1 Mario Isola.
“This is due to the simulations from the teams. Since the beginning of the year, we had simulations showing a much higher load on the front in general on all the circuits.
“But for Monza, [which] is usually a low-downforce circuit, this difference is quite high. And therefore we have to react with obviously a high front pressure.”
Pirelli will verify the change against the data teams acquired on Friday, but does not expect it will lead to a change in the minimum pressures.
“We are waiting for telemetry because when I got the data, I was surprised as well. We never had this increase in one year going through the same circuit.
“But I will not be surprised if we confirm the prescriptions because effectively they are loading the front a lot more than last year.”
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