The four-stroke engine has dominated internal combustion for more than a century, but a British engineering firm is ready to topple that technology with what it calls a 150-horsepower "five-stroke" ...

Porsche was issued a patent for its six-stroke combustion engine on October 22, 2024. The company describes the new engine as having a "working cycle" of three complete crankshaft revolutions with two ...

What Makes An Engine Better? Big Bore vs Long Stroke Bore and stroke cause differences in both power and efficiency. All ...

Ford began installing 7.3-liter diesel engines, developed in conjunction with Navistar International, in its trucks in 1988. That first version featured indirect fuel injection, or IDI, and laid the ...

This month we're out for torque, and nothing serves it up like huge cubes and a big arm. Stroking delivers both. Common Chevy 383 and Ford 347 combos have brought strokers to the masses, but there can ...

Conventional wisdom suggests that our faithful internal combustion (IC) engines are heading the way of the buggy whip. The lithium-ion battery has arrived, emissions standards are tightening, and ...

The increasing number of stroker crankshafts available is giving builders more options when planning a street-performance or race engine combination. The benefits of a stroker crankshaft, however, ...

Sustainable mobility that relies on fuels better than electricity continues to seek solutions to be more powerful, autonomous and efficient. However, one manufacturer seems to have achieved the same, ...

Editor’s Note: This article previously appeared in a different format as part of The Atlantic’s Notes section, retired in 2021. In response to the item immediately below, which kicked off this Thread, ...

The 6.0 Power Stroke engine had a distinctive whistle back in 2003, but later versions lost out on it. Here's why it had that ...

Wayne Cunningham reviews cars and writes about automotive technology for CNET's Roadshow. Prior to the automotive beat, he covered spyware, Web building technologies, and computer hardware. He began ...

Indian Motorcycles has once again risen from the dustbin of history. Purchased by Polaris Industries in 2011, the 2014 model year involves a complete redesign of the Indian motorcycle line. The most ...