The compression ratio clarification wasn’t the only one issued by the FIA. For some time now, F1 has used ultrasonic fuel ...

Formula 1’s next-generation power units are not even on the grid yet and they are already reshaping the competitive landscape ...

We may receive a commission on purchases made from links. I have been working on my own vehicles for almost 40 years and in that time have accumulated a sizable collection of tools. The bulk of them ...

Opinions are divided about interpretations of compression ratio limits for engines in 2026. Controversies in the new season ...

It's appropriate that Lingenfelter Performance is located on Winchester Road in the quiet Midwest town of Decatur, Indiana. Appropriate because John Lingenfelter enjoys a reputation for building ...

In the early '90s, beforeDavid Freiburgerheaded upCar Craft,he was a staffer at HOT ROD, and he had an unspeakable yen for Mother Mopar. This deep-rooted lust had driven him to fosterProject Rumble ...

On paper, Nissan's variable-compression turbocharged engine should have been pretty awesome. Since it could change its compression ratio on the fly, it promised the power of a bigger engine when you ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

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 ...