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

General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its ...

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

Discover the 25 best new race and performance parts from the 2025 PRI Show, including engines, turbos, superchargers, ...

And the modifications carried out by the project’s author were incredibly extensive, but not any more so than they needed to ...

National Iranian Drilling Company (NIDC) has completed 101 oil and gas wells so far this year (started in late March 2025), ...

By not being very far removed from the Land Cruiser, the Lexus LX 450 inherited almost all of its sibling's off-road ...

The 2015 Subaru WRX STI arrived at a tricky moment, when many performance cars were drifting toward comfort and tech at the ...

A complete 1954 Corvette Blue Flame six-cylinder engine has been repurposed into a movable glass-top display table.

Schwalbe reinvents the valve and it's better than Presta, but is that enough to convince everyone to make the switch?