Formula 1’s governing body and commercial rights holder are ramping up pressure on engine manufacturers to finalize the 2027 power unit regulations, with the Spanish Grand Prix weekend of June 12-14 serving as the target deadline for reaching a comprehensive agreement. The FIA and Liberty Media are pushing for an imminent resolution to ongoing disagreements over the future engine formula that have created uncertainty in the paddock.
The FIA initially proposed significant changes to move away from the current near-50:50 split between electric and combustion power. Their specific proposal called for a 14 percent increase in fuel flow, which would boost internal combustion power by 50 kW while reducing the electric component by the same amount. This adjustment would create a 450 kW combustion engine paired with a 300 kW MGU-K system, aimed at eliminating issues like superclipping and excessive battery management during qualifying sessions.
However, Ferrari and Audi dramatically shifted their positions just days after a pre-Canadian Grand Prix meeting where all manufacturers had seemingly agreed on the need for intervention. When the paddock arrived in Montreal, both manufacturers expressed concerns that modifications of this scale would require substantial power unit changes, creating significant implications for reliability, costs, and internal development schedules.
The manufacturers’ change of heart stemmed from fears of losing benefits guaranteed by current ADUO regulations. Following the Canadian GP and heading into the Monaco weekend, an alternative solution emerged that could potentially achieve the desired 60:40 ratio between internal combustion and electric power without requiring major modifications to power units already in advanced development stages. The ongoing negotiations highlight the complex balance between technological advancement and practical implementation in Formula 1’s engine future.