Lewis Hamilton has explained how Formula 1’s cost cap and resistance to changing established practices slowed some of the modifications he wanted Ferrari to make after arriving at Maranello. Ahead of the Italian Grand Prix, the seven-time world champion revealed that several ideas required extensive persuasion, while others were simply too expensive for the team to pursue.
The subject had already been raised by Ferrari team principal Fred Vasseur, who acknowledged that financial restrictions meant the Scuderia could not implement every proposal Hamilton brought with him. The British driver has now offered further detail on how that process worked, including the role Ferrari’s simulator played in turning some of his requests into options available on the race car.
Lewis Hamilton explains why Ferrari changes were delayed by the cost cap
During his first season with Ferrari last year, Hamilton produced detailed feedback after examining different areas of the team’s Formula 1 operation. Some of those recommendations have subsequently been acted upon by Vasseur and the Maranello organisation, although the process was not always straightforward.
Hamilton acknowledged that his record and experience did not automatically make Ferrari willing to abandon methods it had relied upon for years. He explained that he pushed for numerous changes inside the car, but some could not be introduced because of the F1 cost cap, while others initially met the understandable question of why Ferrari should alter something it had traditionally done in a particular way.
As a result, the 41-year-old admitted that significant persuasion was sometimes necessary. Certain modifications were also expensive and therefore required a longer process before they could move forward. The situation reflects the limits Vasseur previously outlined when discussing why Ferrari rejected some of Lewis Hamilton’s requests.
Simulator work helped turn Hamilton’s requests into Ferrari car options
Rather than waiting for every proposed change to be manufactured immediately, Hamilton worked with Ferrari to evaluate some ideas virtually. He asked for specific solutions to be designed for the simulator, tested them there during his first season and then saw successful concepts added to the range of options Ferrari could use on the car during Grand Prix weekends.
That approach gave the team a way to assess the direction before committing fully to the physical modifications. It also allowed Hamilton to apply knowledge accumulated during his previous Formula 1 career while adapting it to Ferrari rather than simply attempting to reproduce what had worked elsewhere.
The process forms part of the wider technical development taking place at Maranello, with further coverage available in our Ferrari technical analysis section.
Hamilton wanted Ferrari to improve across several areas
Hamilton explained that his intention on joining Ferrari was to use the perspective of somebody arriving from outside the organisation. His objective was to recognise the areas in which the Scuderia was already operating strongly while also identifying aspects where he believed standards could be raised.
The seven-time world champion stressed that no Formula 1 organisation performs every task perfectly. His contribution has therefore centred on highlighting areas he considered capable of improvement and encouraging Ferrari to raise its level across the operation.
Not every proposal could be approved. Hamilton acknowledged Vasseur’s admission that some items on his list were simply too expensive, but expressed satisfaction with the changes Ferrari had been able to make and pride in the progress achieved since his arrival.
The evolving relationship has become an important part of Lewis Hamilton’s Ferrari campaign, particularly as he has become more comfortable inside both the car and the wider Maranello environment.
Fred Vasseur links Hamilton’s 2026 improvement to his influence at Ferrari
Vasseur believes Hamilton’s stronger 2026 form can partly be explained by the influence the British driver has been able to exert within the team. According to the Ferrari principal, the improvement is not solely about becoming more comfortable with the machinery, as Hamilton also feels that his contribution is increasingly valued within the organisation.
Neither Vasseur nor Hamilton has provided a detailed public list of the modifications that resulted from the driver’s recommendations. One notable change, however, is understood to concern the braking system. Ferrari is believed to have allowed Hamilton to use Carbone Industrie brake discs of the type he previously raced with at Mercedes, despite the Scuderia’s long-standing relationship with Brembo.
That adjustment is understood to have been particularly significant in allowing Hamilton to operate the car in a manner that feels more natural to him. The Briton has recorded five podium finishes during the 2026 season, providing further evidence of the progress made since the more difficult adaptation phase that followed his move to Maranello.
Hamilton’s comments arrive as Ferrari prepares for its home Italian Grand Prix, where the team is also continuing its wider development programme. The latest Ferrari and Lewis Hamilton developments ahead of Monza underline how both car evolution and the driver’s growing influence remain central to the Scuderia’s attempt to move forward.
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