McLaren CEO Zak Brown has ruled out the possibility of the team building its own Formula One engines as a solution to its problematic relationship with Honda.
Honda's revamped engine has fallen well short of expectations this season, raising fears of a third consecutive season off the pace for McLaren. Fernando Alonso criticised the Japanese manufacturer in winter testing and after the season opener in Australia, where he ran 10th for much of the race before retiring, said the team was last in terms of pure performance.
McLaren has already made an exploratory approach to Mercedes about rekindling its former engine in case it cannot continue with Honda.