Engine performance is like a complicated formula in which each individual part plays a role in the final answer. Some parts of the formula affect the final outcome more than others. The valvetrain ...

Volkswagen used this week’s 2016 Vienna Motor Symposium to present its next-generation 4-cylinder engine. The new engine, dubbed the EA211 TSI evo, is a turbocharged 1.5-liter unit equipped with ...

For the past two months, we've taken readers on a detailed ride through a full-on LS1 engine assembly. In Part 1 of this homegrown motor build series ("My First Stroker," Aug. 2006), we prepped our ...

Overhead cams are a more efficient method of actuating the valves than with a pushrod, but someone in Detroit never got the memo. And thank goodness they didn't. With production pushrod mills turning ...