Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...

The World's First Production-Ready Variable Compression Engine Infiniti's has developed the first variable compression ratio ...

QUESTIONI am building a budget 1935 Ford truck rat rod and wondered if you could help with some basic engine mods. I have a complete running 1973 big-block Chevy truck chassis with all the components.

Nissan’s variable-compression turbo (VC-Turbo) is a unique engine capable of variable compression adjustment. Unlike traditional engines, which have a fixed compression ratio, the VC-Turbo engine ...

Compared to the 1960s, the octane content of street-legal gasoline is dismal, to say the least. Today's so-called "high-octane premium" usually is rated at only 92 octane—when you can fine it at all.

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

Despite the turbulence Nissan has faced over the past few years, some of its technology is undeniably impressive. Perhaps the crowning jewel of this engineering power is its variable compression ...

Compression in a diesel engine is essential for effective and efficient performance. And when compression is lacking, damage can result. That is why it’s imperative to know whether your engine’s ...