Aston Martin and Honda move past a damaging engine vibration problem, but a fresh gearbox concern quickly becomes the priority after Miami, with Canada looming.

The vibration fix stems from combined chassis and power unit changes, executed during a rare calendar gap. Engineers left the car at Honda’s Sakura base after March’s Japan Grand Prix.

Fernando Alonso declares the vibration issue “gone,” and the data backs that up. Miami yields four classified finishes across all sessions, a stark contrast to the early-season attrition.

Team principal Mike Krack calls the progress “modest,” accurately reflecting the broader picture. Reliability improves, but performance remains restrained by a new transmission weakness.

Alonso details erratic shifts in Miami qualifying. He reports braking phase desynchronisation, inconsistent traction on exits, and random downshifts that destabilise the car.

The issue persists through the weekend, elevating risk for Montreal’s heavy braking profile. Confidence in shift timing is essential at Circuit Gilles Villeneuve.

Its significance increases because Aston Martin now runs its own gearbox for the first time since 2008. Early-phase teething problems demand rapid root-cause analysis.

Operationally, the team trims weight and tweaks driveability for Miami. Those steps help extract mileage and understanding but do not change the fundamental competitiveness.

No visible performance upgrades arrive in Miami, despite high-speed downforce limitations exposed in Japan. The strategy points to consolidation before introducing bigger development steps.

Alonso frames incremental tenths as insufficient against a sizable deficit to the midfield. The aim shifts to a meaningful aerodynamic and mechanical package, rather than piecemeal gains.

Honda, meanwhile, targets longer-term engine performance with FIA approval processes in mind. Short-term focus stays on energy management and driveability, complementing the chassis work.

Aston Martin prioritises gearbox refinement and further weight reduction. More laps should tighten operating windows and reveal procedural gains.

Krack stresses there is still performance to unlock from the current car. The objective is to stay patient yet urgent, then re-engage the midfield when the larger package lands.

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Daniel Miller

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.