Taking an engine compression test is sort of like checking your car's blood pressure. It's a quick and painless procedure ...

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 ...

‘It’s a big difference’ — Collins questions whether the FIA test reflects real engine heat.

We may receive a commission on purchases made from links. While browsing auto repair and maintenance tools at your local parts store, you've likely come across compression testers like the Orion Motor ...