Guenther Steiner urges McLaren to 'grow up' and build its own F1 engine·Updated 1 hr ago·44 ptsMcLarenFrom Crash.netFormer Haas boss Guenther Steiner believes McLaren should build its own power unit rather than remain a customer teamFull coverageFeatured sourceCrash.netGuenther Steiner urges McLaren to 'grow up' and build its own F1 engine18 days agoMore storiesF1 News Today: Max Verstappen future to be announced as Fernando Alonso signing priority outlined1 source · 27 mins agoLiam Lawson expecting discussions on F1 future over summer break1 source · 7 mins agoFormula 1 urged to introduce Sprint races at all 24 Grands Prix1 source · 7 mins ago'Bigger changes needed' - Lando Norris' mid-season verdict on F1's new era1 source · 27 mins agoOliver Bearman admits Lewis Hamilton resurgence complicates Ferrari F1 dream1 source · 51 mins ago
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