FIA Targets Black-and-White Fix to 2026 F1 Engine Compression Dispute

Overview

• After a January 22 technical meeting, no test method was agreed to verify compression ratios at running temperatures, leaving current 2026 power units legal for now.
• The FIA’s Nikolas Tombazis says the objective is to end the ambiguity with an unequivocal procedure before the season begins to avoid protests.
• Reports allege Mercedes HPP and Red Bull Powertrains can exploit heat-expanding materials to achieve an effective 18:1 compression ratio despite a 16:1 limit measured cold.
• The potential gain is estimated at roughly 0.3 seconds per lap at Albert Park, prompting rivals Ferrari, Honda and Audi to press for enforcement clarity.
• Reactions are split, with Audi warning it will not accept an unfair advantage, Ross Brawn calling it a clever interpretation, and Andy Cowell urging the FIA to ensure equal application of the rules.