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 ...

You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

The latest General Motors patent underscores how busy the automaker's powertrain engineers have been. The automaker received a patent approval for a high-compression, twin-charged hybrid powertrain in ...

Chalk this one up to wild. General Motors has filed—and been approved—for a patent detailing a super high-compression, turbocharged and supercharged hybrid powertrain. Immediately, we think this kind ...

Toyota makes some of the most durable trucks in the world—they’re so long-lasting, in fact, that they often go a full decade without major updates. That might change soon if an engine described in a ...

A line of low-index, high-pressure compression springs consists of 144 slender parts packed with high-load capacities, rated to pressures of 300, 400, and 500 psi. The springs, made from 17-7PH ...

An in-house experimental study by Pfeiffer Vacuum makes the case for an innovative approach to the pump-down of ultrahigh-vacuum (UHV) systems Pump it down The Pfeiffer Vacuum R&D team used a ...

A.Here you can see locations of sharp-edged material left from factory machining operations. Material removal should be kept to a minimum, since we are dealing with low engine rpm for which enlarged ...