P1racenews AI automatic summary:
Cadillac are confident Ferrari have supplied a “fully legal engine” for F1 2026.
Cadillac F1 team principal Graeme Lowdon is confident that Ferrari has provided a fully legal engine amidst a power unit controversy in F1’s 2026 season.
There are concerns that Mercedes and Red Bull may have exploited a loophole to run their power units at a higher compression ratio.
Cadillac’s engine for the debut season will be supplied by Ferrari, with Haas also using Ferrari engines.
Lowdon assured that their Ferrari power unit is compliant with regulations and that they have a strong partnership.
Audi, now in F1 with the former Sauber team, expressed concerns that Mercedes could have a significant advantage if they are utilizing loopholes in the rules.
Audi’s F1 project head, Mattia Binotto, suggested that any performance gap due to rule exploitation could impact competition.






