In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.
Although Vortec engines fall under the "LS" branding, they aren't actually the exact same as more traditional LS engines made by General Motors.
Formula One’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be ...
Changes to compression ratio tests will be introduced in the summer after a lot of focus on Mercedes' new power unit over pre ...
Mercedes reportedly exploited the compression ratio loophole as the FIA overhauled the power unit regulations going into the 2026 season. A vote is now set to be taken in the coming week over the same ...
FIA announces updated 2026 regulations, including new engine testing after Mercedes PU scrutiny, plus a series of rule tweaks ahead of the season.
Formula 1’s simmering engine row has finally boiled over – and the FIA has moved decisively to slam the lid shut.
The LM7 engine, found in Chevy Tahoes and Cadillac Escalades, can be transformed into a high-performance powerhouse capable of reaching over 1,000 hp.
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