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

International is marching ahead with updates to its S13 Integrated Powertrain to meet federal emissions regulations expected ...

F1's engine freeze is over, and all-new power units will hit the track in 2026. But how will these new engines be developed ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

Saturday’s fast-paced F1 news includes Ralf Schumacher responding to Lewis Hamilton’s dig at F1 television pundits as Honda ...