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 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 ...

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 ...

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 ...