Why Honda secretly introduced its second F1 ADUO upgrade in Madrid
Autosport·1 Oct 2026·1 October 2026
Honda Racing Corporation president Koji Watanabe has revealed that Honda actually introduced its second ADUO (Additional Development and Upgrade Opportunities) upgrade as early as Formula 1’s Spanish Grand Prix, with the upgrade focused on the power unit's turbocharger. Aston Martin and Honda strugg
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