Formula One to change rules on in - season testing and tire changes . Teams to run tire changes at Silverstone on July 17 - 19 . FIA president Philippe Michel says that safety will be the priority . Six tire blow - outs at the British Grand Prix have inflated safety risks .
Formula One to change rules on in-season testing and tire changes . Teams to run tire tests at Silverstone on July 17-19 . FIA president Jean Todt says driver safety must be the priority . Six tire blow-outs at the British Grand Prix have inflated safety concerns .