Golen produces special Chevy and muscle car era engines, but perhaps the most unique offering is the 4.6-liter Jeep stroker ...

Less fuel and emissions, more power, higher revs. EcoMotors' OPOC engine promised it all. Investors, including Bill Gates, gave money. And lost money.

Porsche's new patented six stroke engine might not be a thing of reality yet, but the new technology is still very ...

Fast, light, and built for the dirt. Here are the 7 best enduro motorcycles of the year for all the dedicated off-roader ...

Still, looking at the largest engines from the popular brands brings to the fore a lot of interesting things. Some brands are ...