Mario Isola believes he and his team made the correct decision to reduce the tread on the tyres for the Spanish Grand Prix Pirelli reduced the tread by 0.4mm as a result of blistering and graining experienced during pre-season testing on the same, freshly resurfaced track.  All the front-runners except Sebastian Vettel ran a 1-stop race proving that the tyres worked really well. Isola reflected on the performance of the tyres whilst speaking to motorsport.com. “If you have a high level of blistering affecting all or most of the cars, you have a lottery, not a race,” Isola said.  “It’s not the right approach and we, as a sole supplier, have to provide the...
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