Pirelli mule car shortfall leaves “question marks” over F1 2017 tyres

Despite an extensive testing programme conducted with Red Bull, Ferrari and Mercedes mule cars last year, F1’s tyre supplier admits that there are still some question marks on the eve of this season. That has come about because the modified cars – aimed at simulating the downforce levels coming for this year – did not produce the kind of forces that the 2017 challengers are set to ... Keep reading