The 2026 regulations: shared foundations and clear limits
The starting point is straightforward: the 2026 technical regulations impose an extremely restrictive architecture. All manufacturers must develop a 1.6-litre turbocharged V6 power unit with a heavily enhanced hybrid system and without the MGU-H. Power distribution is expected to be roughly 50% internal combustion and 50% electric, with strict limits on combustion, pressure and operational parameters.
This means that expressions such as “new Ferrari internal combustion engine” are, in most cases, misleading. Cylinder head design, overall architecture and combustion philosophy are largely convergent across all manufacturers. There is no room for radical revolutions, as the regulations simply do not allow it.
Ferrari “new concept”: reality or narrative?
The question is inevitable: can Ferrari really introduce a new engine concept?
The answer, based on the regulations, is no. There is room for development, but it lies in the details:
combustion efficiency
sustainable fuel management
turbo optimization
integration with the electrical system
This is not about reinventing the engine, but about improving overall efficiency. Talking about a technical revolution is, in reality, a media simplification.
ADUO and development: no “miracle” gains
The topic of regulatory allowances is also often misunderstood. These tools allow interventions only under specific conditions and under strict FIA supervision.
There is no possibility of introducing “stratospheric” upgrades. Every modification must be approved and fall within established parameters. The philosophy is balance, not design freedom.
The real challenge: the complete power unit
The 2026 regulations are not a challenge focused solely on the internal combustion engine. It is a complex formula in which energy management, software and integration between the ICE and the electrical components make the real difference.
Rumors suggesting a Ferrari deficit compared to Mercedes, estimated at around 29–30 horsepower, should be treated with caution. The same applies to speculation about a thermal unit that could even be weaker than Red Bull’s. These figures are difficult to verify and are often amplified.
The reality is that any advantage, if it exists, comes from the entire power unit system, not from a single component.
Why Mercedes could be ahead despite “similar” engines
If internal combustion engines are so tightly restricted, how can a significant advantage still exist?
The answer lies in the nature of the 2026 power unit:
50% of the power is thermal
50% is electric
The difference is built through the integration of these two worlds.
Where the real performance gains are made
It is not the “engine” alone that makes the difference, but the entire system:
battery efficiency
energy recovery management
power deployment strategies
control software
interaction between turbo, ICE and MGU-K
A manufacturer that is more advanced in these areas can gain advantages in acceleration, top speed and performance consistency.
The misconception of the “new engine”
Talking about a “new internal combustion engine concept” is, from a technical standpoint, incorrect.
The regulations impose:
identical architecture
defined combustion parameters
strict limits on development and materials
The real difference does not lie in the engine in isolation, but in the ability to make everything work as a fully integrated system.
Ferrari test at Monza: expectations to be tempered
The tests currently being discussed, including the usual speculation about Ferrari returning to the track, have very limited technical significance.
The reasons are clear:
limited mileage
inability to fully stress the power unit
non-representative conditions
At this stage, the most important work is done on test benches and through simulation, not on track.
What Ferrari can actually test
In the pre-Miami testing phase, Ferrari can:
work on aerodynamic aspects
collect correlation data
evaluate setup solutions
They can also begin laying the groundwork for future power unit updates, but certainly not fully validate them on track. The most crucial work remains “invisible,” taking place between dyno testing and simulation tools.
The “Macarena wing” case: targeted development, not a solution
One of the most discussed elements is the so-called “Macarena wing.”
This is a specific aerodynamic solution, particularly effective on high-speed circuits such as Monza, Baku or Spa. Analysis suggests gains of up to around 5 km/h under certain conditions.
However, it also presents clear limitations:
slow actuation
aerodynamic compromises
limited use to a few circuits
The fact that it was not used in Japan is significant. It is not a universal upgrade, but rather a niche solution. Above all, it cannot compensate for any potential power unit deficit.
Where Ferrari can truly improve
Ferrari’s work is focused on:
power unit optimization (without revolutions)
software development
improved integration between components
adaptation to sustainable fuel
The power unit is also designed in conjunction with the fuel, which becomes increasingly central under the 2026 regulations. Everything must work in synergy: internal combustion engine, electrical systems, batteries and energy management.
Final analysis
The overall picture is clear: much of the information circulating in recent weeks has been exaggerated or inaccurate. The 2026 regulations heavily restrict design freedom and make radical revolutions in the internal combustion engine impossible.
Ferrari can improve, even significantly, but through evolution and optimization rather than paradigm shifts.
The Monza tests will have limited impact, while the real development work is taking place away from the spotlight, through dyno testing and simulation.
The 2026 season will be decided by the ability to interpret a complex system at the highest level, not by creating a “new” engine. It is a challenge of total integration, not pure invention.
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