Honda Fast-Tracks Driveability Fixes for Monaco Ahead of Summer Engine Upgrade
Monaco – Honda may not have its first major physical engine upgrade ready until around Formula 1’s summer break, but the Japanese manufacturer has found immediate driveability improvements locked in time for this weekend’s Monaco Grand Prix.
It has been a challenging start to the 2026 campaign for Honda in its new partnership with Aston Martin. The early phase of the season was heavily compromised by reliability problems triggered by excessive vibrations. While Honda and Aston Martin are working under high pressure to find solutions and improvements, questions are also arising about the team’s technical leadership, as a high-profile figure has been noticeably absent during this difficult start to the season.
Where is Adrian Newey? Absence Noted Amid Early-Season Struggles
The difficult start to the season for Aston Martin comes at a time when top designer Adrian Newey, who was successfully lured away from Red Bull Racing two years ago, has not shown his face at the track or in public for some time. As the technical spearhead responsible for the project, his absence is striking, especially given the major problems Aston Martin and Honda have had to endure during the opening races of this season. While the team searches for answers on the chassis and integration front, Honda’s engineers have had to take the lead on fixing the immediate power unit issues.
Immediate Focus: Monaco Driveability and Cooling
Following progress in addressing those initial vibration difficulties, the technical focus at Honda’s Sakura R&D facility in Japan has officially shifted toward delivering performance gains. Engineers have unlocked crucial steps forward ahead of Monaco, circuit where precise power delivery is critical.
“Driveability is very critical in Monaco,” said Shintaro Orihara, Honda’s trackside general manager. “So the positive thing is we found the way to improve our driveability. So in HRC Sakura, our development factory, they will work hard to improve by Monaco – that is our main target.”
Rather than a single silver bullet, Orihara explained that the performance has been unlocked by fine-tuning a wide variety of metrics and control parameters. These include:
- Data settings and calibration
- Ignition timing
- Lambda (air-fuel ratio) settings
- Injection timing
To prepare for the unique demands of the street circuit, Honda has conducted specific driver-in-loop simulator sessions at Aston Martin’s Technology Campus to optimize its energy management settings.
Additionally, the slow-speed nature of the Monaco track presents severe cooling challenges. Honda is working closely with Aston Martin’s fuel supplier, Aramco, to finalize a cooling specification that ensures the power unit can survive both in clean air and the heavy traffic typical of the event.
Fernando Alonso in action on Sunday at the 2026 Chinese Grand Prix in Shanghai.
The Summer Upgrade Plan
Looking further ahead, Honda’s first major performance step is targeted to arrive around the sport’s summer shutdown. The development program at the factory is currently focused on two primary pillars to boost performance:
- Improving Combustion: Honda has already observed positive signs from new combustion ideas via dyno data.
- Reducing Friction: Engineers are working through a specific checklist to minimize internal mechanical friction.
“Engine development is a long-term job, but it won’t be at the end of the season,” Orihara clarified. “At some point, let’s say around the summer shutdown, we will see some improvement. That is our target.”
Regulatory Uncertainty and 2027 Impact
Honda also confirmed that its longer-term development plans for 2027 will not be derailed by potential hardware adjustments currently being debated for next season.
The FIA is currently attempting to gather support for a regulatory shift that would change the power ratio between the combustion engine and the battery from 50/50 closer to 60/40. While the proposal does not yet have full manufacturer backing, Honda remains neutral on the matter, stating its core engineering direction remains unchanged.
“Performance-wise, the direction is the same,” Orihara insisted. “We need to improve the combustion performance and it doesn’t matter if it’s 60%, 40%, or 50-50. We need to improve our combustion.”
Orihara noted that if the FIA ultimately increases the fuel flow rate for next year, Honda will adapt through additional tuning. However, he warned that such a regulatory change would bring its own hurdles: “Reliability-wise, it’s maybe quite challenging if we had more fuel flow rate. That is a more challenging point from this regulation change.”
