Many motorcycle engines might rely on liquid or air cooling. These different styles both have some pros and cons depending on ...

Big-block engines have always traded on mythology as much as on dyno sheets, yet some of the most imposing cast-iron V8s deliver surprisingly modest output once you look past the badge. When I line up ...

An open-loop cooling system, also called raw water cooling, draws water directly from the body of water the boat is floating in, whether it's saltwater or freshwater. That water is pulled through a ...

Hot rodders played with blocks as kids, and still play with them as adults. This vast level of experience notwithstanding, enthusiasts often insist on monkeying around with production blocks. They ...

COLUMBUS, Indiana—To comply with 2027 emissions regulations, new powertrains must make performance compromises. Despite the added weight and backpressure of a larger aftertreatment system, Cummins' ...

'The oddball, the anachronism, the redheaded stepchild-the Gen II small-block can be considered all these things. Conversely, it can also be regarded as the ultimate production version of the original ...

The most enduring engine in automotive history is about to change. The small-block Chevy is and will continue to be the most popular powerplant in the history of racing and high performance, but its ...

Overtaxing the Pratt & Whitney (P&W) F135 engine on the Lockheed Martin F-35 stealth fighter is costing the Pentagon billions of dollars in unexpected maintenance costs. Auditors from the US ...

PARIS—A key milestone for the Pentagon’s program to upgrade the F-35 engine has been pushed back a year, raising questions about the overall timeline of the effort. The engine upgrade will reach ...