P1racenews AI automatic summary:
F1 is edging towards its first major dispute of the 2026 era, with a possible engine loophole fuelling tension between manufacturers and the FIA.
Formula 1 faces its first major dispute of the 2026 era over a possible engine loophole causing tension between manufacturers and the FIA. Concerns arise as some engine suppliers may have found a way to gain an early advantage by exceeding the compression ratio limit set in the 2026 rules. Mercedes and Red Bull are reportedly under scrutiny from rival engine makers. The regulations focus on the compression ratio, with teams aware that a higher ratio can improve performance and efficiency. The issue lies in how the ratio is measured, with certain engine components designed to expand when hot, resulting in a higher compression ratio on track. The FIA rules, particularly Article C5.4.3, have been revised multiple times in response to manufacturers’ concerns, with a recent clarification on the measurement process. The broader changes in power units for 2026 have incentivized manufacturers to explore the limits of compression ratios, sparking debate and unease among teams.
