Ti-VCT stands for twin independent-variable camshaft timing and is a key aspect of making Ford's EcoBoost engines work the way they do. Like variable valve timing, Ti-VCT optimizes engine valve timing ...

How boxer engines work, why they’re not just “flat” engines, and a 120-year evolution traced from the 1899 Benz to the latest Porsche and Subaru boxers. Boxer engines feature flat, opposing pistons ...