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

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

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

Cadillac has never been shy about chasing excess, but one of its boldest engines never made it to the showroom. In the 1960s the brand developed an overhead cam V12 so large and complex that it ...

Israel Defense Forces attacked military targets in Iran Saturday. The Israel Defense Forces conducted what it called "precise strikes on military targets" in Iran on Friday in response to the Iranian ...

The Pinetree Jamboree resurrects nostalgic heads-up flathead racing at one of New England’s oldest surviving historic drag strips.