FIA says new ADUO process ‘not a balance of performance' scheme

As Formula 1 concludes its North American leg, the FIA is preparing to conduct the first official assessment of the sport’s new Additional Development and Upgrade Opportunities (ADUO) process.

Upon the conclusion of the Canadian Grand Prix next week, the governing body will analyze performance data to determine which power unit manufacturers, if any, qualify for emergency development relief under the sport's complex new engine era.

The ADUO system was designed specifically for the 2026–2030 regulations to prevent manufacturers from being locked into long-term performance deficits.

The mechanism focuses on the Internal Combustion Engine (ICE) and triggers support only if a manufacturer is measured to be at least 2% behind the established performance benchmark.

This measurement is calculated through a sophisticated "ICE Performance Index" that weighs factors such as engine torque, speed, and MGU-K power.

Following the cancellation of early rounds in Bahrain and Saudi Arabia, the FIA revised the initial monitoring period. The first evaluation now covers the races in Australia, China, Japan, Miami, and Canada. Results from this opening phase are expected to be communicated within two weeks of the Montreal race.

Financial relief, not performance balancing

A key point of contention has been whether ADUO represents a move toward "Balance of Performance" (BoP) racing. FIA Single Seater Director Nikolas Tombazis has been firm in dismissing these claims, emphasizing that the system is a financial and regulatory lifeline rather than a guaranteed boost in speed.

“It’s important to make clear that ADUO is not a kind of balance of performance mechanism,” Tombazis explained.

“A team or manufacturer will not suddenly get greater fuel flow rate or more or less ballast. It is, in fact, a Cost Cap relief mechanism, where a PU manufacturer meeting ADUO criteria during a review period is given an opportunity to develop its engine through a downward adjustment.

“That’s not to underestimate it but a manufacturer will still need to make the best engine in order to win. It’s not a magic bullet, or like the FIA is handing out brownie points to somebody who’s behind, it simply provides them with leeway to develop their power unit within the framework laid out by the Technical Regulations.”

Incentives and upgrade limits

The scale of support depends entirely on the size of the deficit. Manufacturers trailing by 2% to 4% can receive up to $3 million outside the cost cap and two total upgrades across two seasons.

This financial allowance scales up significantly for larger gaps, reaching as high as $11 million for those more than 10% adrift.

• Read also: Honda set for extra lifeline as FIA tweaks F1’s ADUO process

While eligibility is determined by ICE performance, the resulting upgrades can be applied across various systems, including turbochargers, exhaust systems, and control electronics.

However, these opportunities are not cumulative; once a manufacturer qualifies in a given season, they cannot "stack" additional ADUO benefits later that same year. By providing this controlled leeway, the FIA hopes to maintain a competitive grid as the hybrid era evolves.

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