Why Honda Secretly Introduced Its Second F1 ADUO Upgrade in Madrid

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Honda has already used its two ADUO tokens in 2026, as confirmed this Thursday in Malaysia Shintaro Orihara. The chief engineer and track manager of the Japanese biker, partner of Aston Martin, has revealed that they introduced the turbocharger of ADUO 2 in the power unit of Lance Stroll's car during the Spanish Grand Prix at Madring and later, in Baku, they tested it with Fernando Alonso.

f1-gate.com

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Honda had already used its second "Additional Development and Upgrade Opportunities (ADUO)," which are permitted for the 2026 F1 season, to introduce an improved turbocharger at the Spanish Grand Prix…

motors-addict

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Honda had introduced an advanced turbo on the Aston from Stroll to Madrid. The fifth turbo from Alonso to Baku could be the same version....