F1 engine chaos intensifies
Ferrari won FIA approval for its ADUO engine upgrade while Audi admits its 2026 power unit can't be fixed quickly — a string of performance gaps and 'engine tricks' from Mercedes/Red Bull has left the field fractured. Frustration with the 2026 hybrid units is high enough that the FIA reportedly plans to drop them for a V10 return in 2027. (scuderiafans.com) (crash.net) (grandprix247.com)
The FIA’s ADUO framework will formally reassess power‑unit parity after Races 6, 12 and 18 of a 24‑round season and can grant extra homologation changes, temporary targeted cost‑cap relief and additional power‑unit test‑bench hours to manufacturers judged significantly behind. (trackside.media) Under the 2026 technical mandate the electrical deployment on power units rises to 350 kW from the previous 120 kW, a change the FIA says is likely to create early performance dispersion between suppliers. (trackside.media) Ferrari has publicly accepted a roughly half‑second lap‑time deficit to the current pacesetter and has indicated engine upgrades remain a key lever to close that gap. (the-race.com) Audi’s powertrain programme has already paused development for the 2026 unit and its engineering leadership says the team is prioritising 2027–2028 work rather than hunting for a rapid fix in year one. (thedrive.com) Autosport reporting warns Audi faces structural limitations that mean the ADUO window is unlikely to deliver a short‑term “miracle” recovery for the manufacturer’s 2026 performance. (autosport.com) The core complaint from rival manufacturers centres on an alleged compression‑ratio method that lets some power units meet the 16:1 static test while operating effectively closer to the old 18:1 ratio on track, an approach that has prompted FIA meetings with manufacturers. (motorsport.com) Independent estimates circulated in the paddock suggest that implementation of that compression approach could be worth up to around 0.4 seconds per lap in certain cars, a margin rivals say justifies the regulatory scrutiny. (gpblog.com) Despite online reports proposing a 2027 V10 return, published coverage and governance rules show an early V10 comeback lacks the necessary manufacturer support and would require agreement from four of the five power‑unit manufacturers to proceed. (motorsportmagazine.com)
