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F1 Backs 2027 Engine Rebalance to Boost Combustion Power and Cut Electric Assist

Technical groups are now assessing how to implement the shift.

Overview

  • FIA officials said Friday the 2027 plan would add about 50 kW to the internal‑combustion engine, raise fuel flow, and trim electric deployment by about 50 kW, shifting the power split toward roughly 60/40 from today’s near 50/50.
  • The move follows Miami’s recent tweaks that the FIA says improved racing by limiting excessive energy harvesting from the electric Energy Recovery System (ERS), which had forced drivers into lift‑and‑coast and caused large speed gaps.
  • Ford, which partners with Red Bull Powertrains, called the direction a good step for the on‑track product, while several drivers welcomed less battery‑led driving even as some team bosses argued not all drivers dislike the 2026 rules.
  • Higher fuel flow and more engine power could require larger fuel tanks and new chassis layouts, raising cost‑cap and timing questions that the FIA is studying alongside options like qualifying‑only fuel‑flow changes or other interim fixes.
  • Separately, the FIA says it is evaluating a possible return to simpler V8‑style engines around 2030–2031, with figures like Mercedes’ Toto Wolff proposing a high‑power hybrid ‘mega‑engine’ concept and Red Bull signaling openness, though no rule is set.