The Volvo 740 Rotary comes as a modified wagon that proves a classic family car can turn into a serious drift machine. With ...

The 1971 Mazda Rotary Pickup, often referred to as the “Repu,” marked a bold move by Mazda into the realm of unconventional ...

The rotary engine is easily one of the most controversial powertrains in the world of cars, and it's known for the brap-brap ...

Does anyone else think the Mazda RX-8 used to be the coolest thing on the road. It didn’t matter that it wasn’t that fast. Nor that its rotary engine burns oil like Snoop burns “za,” and slurps gas ...

Language is an imperfect medium, but it's what we've got, so let's go with it. Determining the swept volume of inventor Felix Wankel's rotary engine can generate more arguments than claiming what a GT ...

Everything about this build is pure comedy, and you’ll soon see why. Things start funny, with the builder employing a three-door, second-generation Toyota RAV4 as its blank canvas. Not only does that ...

If you’ve ever wondered what a single-rotor rotary engine sounds like, here’s one that makes 155 horsepower by Rob Dahm. Rob Dahm is one of those guys who make crazy builds. Just a while back, he ...

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...

When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, the same basic principles of internal combustion apply here: Fuel and air are mixed and ...

When people think of Japan’s turbo era, the golden period of which occurred roughly from the mid-1980s to the early 2000s, they might picture pop culture symbols like Mid Night Club. However, Japan’s ...

Wankel engines first saw use in production cars as early as 1964 — and not even in a Mazda, but rather in an NSU. That little single-rotor powerplant quickly evolved into the more typical two-rotor ...