McLaren warns everyone loses if 2027 F1 changes are blocked

McLaren boss Andrea Stella thinks “everyone” in Formula 1 will lose if a push to change power unit rules for next year is blocked by manufacturers.The FIA and F1 chiefs are trying to pull together a package of regulation tweaks that can move F1 away from a 50/50 power split between combustion and electrical power and towards 60/40.But while teams unanimously agreed in principle to shift things for 2027 in a meeting that took place after the Miami Grand Prix, since then it has emerged that proposals put on the table do not have the necessary support from manufacturers to be voted through.Mercedes and Red Bull are both understood to be in favour, but other manufacturers are more resistant to change before 2028.It is understood Audi does not want to commit t …