Kobayashi: Heat could be an issue

Editor

Kamui Kobayashi admits Sauber face an uncertain time in Valencia as they don’t know how their C31 or its Pirelli tyres will deal with the heat…

Kamui Kobayashi admits Sauber face an uncertain time in Valencia as the team doesn’t know how their C31 or its Pirelli tyres will deal with the heat.

Last year the temperature averaged about the 47