A 106-millimeter turbo helps this sucker scream, and the air-actuated sequential transaxle makes the shifts sound even better ...

David Mazzei is the madman both behind this project, and for this thorough dyno testing session, behind the wheel. You got to respect a boss who gets hands-on. And he doesn't hold back. Here's a quick ...

Sauber team principal Jonathan Wheatley has confirmed Audi are on schedule with the development of their powerunit that is set to debut in 2026.

Today, engine dynamometer testing is an integral part of many HOT ROD engine buildups and product tests. Typically these tests start no lower than 2,800 rpm, and often higher. Readers often ask us why ...