Carlos Sainz Jr admits that there is a “question mark” over the cooling of his McLaren Formula 1 car following issues over the 70th Anniversary Grand Prix weekend at Silverstone.
An issue with overheating forced Sainz’s team to open up the car and generate more cooling, which in turn compromised the aero performance of the MCL35.
The problem was seemingly confined to the Spanish driver’s car, and Sainz endured a frustrating weekend, finishing out of the points in 13th place and four spots behind team-mate Lando Norris.

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