Ferrari SF25 setup: too conservative choice revealed by team radio? – Suzuka GP analysis. A team radio exchange hinted at a setup choice that turned out to be too conservative.

After the Japanese GP, which saw Lewis Hamilton finish in seventh place, a team radio from the pit wall shed light on a Ferrari setup choice that proved less effective than expected. Here is the full conversation:

LH: “Sorry for that result, guys. Didn’t have the pace today, but I am grateful we continue to push, next races will be better!“

BOX: “Yeah, thank you, good effort out there. We’ll check together, probably a bit overbalanced throughout protecting the fronts. We can discuss later.“

What “overbalanced” and “protecting the fronts” mean

The term “overbalanced” refers to a car configuration where the front grip is greater than the rear grip, resulting in a more oversteering balance. This choice is deliberately made by teams on circuits like Suzuka, known as “front-limited.” This term refers to tracks where the front axle tires—due to fast corners and frequent direction changes—are the most stressed. Therefore, to improve race pace, these are the tires that need to be managed as a priority.

Teams, to this end, intentionally shift the car’s balance to increase vertical load on the front axle. This change enhances grip, thus reducing micro-slips that accelerate tire degradation. Such a choice doesn’t benefit outright performance or ideal car balance, but it represents a compromise aimed at tire management, with the goal of boosting race competitiveness. This is the meaning of “protecting the fronts.”

Such a result can be achieved by altering the mechanical setup—for example, increasing rear axle stiffness or softening the front one, adjusting suspension parameters (like camber and toe), and moving the aero balance forward.

Lewis Hamilton was probably referring to this when, at the end of qualifying, he stated that the reason behind a lackluster result compared to his teammate might have stemmed from setup choices made by his side of the garage, focused mainly on the race.

Why the choice turned out to be too conservative

But if Ferrari tailored the setup to favor race performance, why—according to the team radio—did it not pay off? The main answer lies in the tire degradation during the GP, which was surprisingly lower than expected (and compared to usual standards at this track). As a result, the tires required less “protection” than teams had anticipated, rendering the setup choice unnecessary, as it didn’t deliver the expected advantages. Despite that, Lewis Hamilton still had to face the downsides of an oversteering balance, such as instability in fast transitions and traction phases, which hampered his performance.

Therefore, the cause of Lewis Hamilton’s race pace, weaker than his teammate Charles Leclerc who finished just off the podium, was likely a setup that was too conservative in terms of tire management, which ultimately compromised both pure performance and the car’s drivability.

Source: f1ingenerale