From June 1, the FIA will impose tougher tests on F1 power units in an attempt to clamp down on the compression ratio saga, but what tolerances will be permitted under the new tests? Let’s clarify the numbers: the current Formula 1 regulations allow an internal combustion engine compression ratio of 16:1 measured at ambient temperature. All power units checked in Australia were compliant with the 2026 technical regulations. Howev... [5072 chars]
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