A recently filed patent details a new GM cylinder deactivation system that appears to be heading to the next-gen V8 engines ...

GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...

Preparing for EPA 2027? API’s new PC-12 spec (CL-4 and FB-4) introduces ultra-low viscosity 0W-20 oils and stricter emissions ...

The difference between the 4L60E and 4L65E transmissions is that the latter is stronger and uses a different bell housing; it ...

Metal valve covers can last longer, but modern cars use plastic because they're cheaper and lightweight, reducing cost and ...

To obtain a thorough insight into the movements of slide-valves, and to completely understand the distribution of steam, is generally a difficult matter to first-year students and engineering ...

Modern car batteries are typically sealed and maintenance-free, but extreme heat can shorten their lifespan. It is crucial ...