The New York Times

F1 manufacturers agree to engine testing rule change after compression ratio row

Formula 1 manufacturers have approved changes to the engine testing rules for 2026 following the compression ratio row that has lasted through the offseason. In December, it emerged that Mercedes had ...
Athlon Sports

F1 Announces New Engine Testing Amid Mercedes Power Unit Scrutiny

FIA introduces stricter engine testing to ensure 2026 power unit compliance under real conditions. Toto Wolff downplays compression ratio concerns, acknowledging Formula 1's political nature. Q3 ...
The New York Times

F1 manufacturers to vote on mid-season rule change over engine battles

SAKHIR, Bahrain — Formula 1’s engine manufacturers will vote next week on a mid-season rule change addressing the compression ratio row that has centered on Mercedes. Over the winter, it emerged that ...
Motor Trend

Chevy Engine Dyno - Performance Q&A

YardstickThere is an old adage that you don't race dynos and flow benches. Manufacturers of test equipment use different standards and test procedures that will affect the results. This brings me to ...