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Honda Unveils Second F1 ADUO Upgrade in Madrid with a Bang
Highlights
- Honda introduced second ADUO upgrade during Spanish Grand Prix weekend
- Upgrade focused on turbocharger to reduce turbo lag and improve power
- First ADUO debuted in Netherlands; second upgrade quietly added in Spain
- Stroll and Alonso used fifth turbocharger with upgraded component this season
- Honda will prioritize non-hardware developments for rest of the season
- Team aims to maximize existing upgrades, no further ADUO planned
Honda Racing Corporation introduces a second ADUO during the Spanish Grand Prix weekend in Madrid, targeting the turbocharger to cure drivability and sharpen response as Aston Martin hunts consistent performance.
Aston Martin’s season starts unevenly, yet form improves with chassis developments around the Hungarian Grand Prix, highlighting the need to align power-unit behaviour with an evolving platform.
Honda’s second ADUO targets the turbo to cut lag and sharpen response.
Honda receives approval for two ADUO tokens after identifying an ICE deficit to the Red Bull Ford benchmark. Despite earlier caution, president Koji Watanabe confirms both upgrades are now deployed.
Spec 2 debuts at Zandvoort. The second, centred on an upgraded turbo, arrives in Spain on Lance Stroll’s car during the Spanish Grand Prix weekend in Madrid, following that step.
The sequencing is deliberate. Spec 2 exposes drivability sensitivities, so Honda follows with a turbo change to reduce lag and stabilise response, enabling iterative correlation rather than a wholesale reset.
FIA fitment records show Stroll takes a fifth turbocharger in Spain, evidencing the change. Fernando Alonso receives his fifth in Azerbaijan, indicating adoption of the newer specification after Madrid.
FIA data confirms Stroll’s fifth turbo in Spain, evidencing the upgrade.
Watanabe states the priority is cutting turbo lag to enhance throttle response and energy deployment consistency, especially through traction zones and variable corner sequences.
Even with new hardware, Honda concedes headroom remains. During the Red Bull alliance, performance gains were constrained, emphasising reliability and operating limits, as outlined in Red Bull ADUO talks analysis.
For the remainder of the season, attention shifts to non-hardware avenues: calibration, control strategies, combustion settings, and hybrid deployment. No additional ADUO packages are planned.
Honda shifts focus to non-hardware gains for the remainder of the season.
The competitive picture is pragmatic. Aston Martin targets extracting the existing package, banking consistent points while seeking marginal efficiency and drivability gains that improve stint management and qualifying execution.
Watanabe projects confidence that the current direction sustains competitiveness. The phased rollout underlines Honda’s methodical approach as it works to close the gap and shape development priorities heading toward 2027.
Visual Summary
Turbo response: catching up to Red Bull
🇳🇱
1
First PU upgrade
Zandvoort
(Drivability issues)
🇪🇸
2
Turbocharger upgrade
Madrid
(Fix turbo lag)
Staggered upgrades:
Honda fixed drivability and turbo lag by splitting their upgrades: first updating the power unit, then silently unleashing the turbocharger upgrade, injecting sharper response step by step instead of risking all at once.
💬
“Reducing turbo lag was the main goal… It’s about response and catching up step by step.”
– Koji Watanabe, Honda Racing Corporation
What’s Next?
No more hardware changes this season—now, the focus shifts to maximizing every ounce of power from the new upgrades.
Watch for Aston Martin’s acceleration in the races ahead.
No more hardware changes this season—now, the focus shifts to maximizing every ounce of power from the new upgrades.
Watch for Aston Martin’s acceleration in the races ahead.
Daniel Miller reports on Formula 1 Grand Prix weekends with race-day analysis, team-radio highlights, and point-standings updates. He explains power-unit upgrades, aerodynamic developments, and driver rivalries in straightforward, SEO-friendly language for a global F1 audience.
