Over a decade ago, Ken Block broke the Internet when he released his famous Gymkhana videos. It takes more than that these days for jaws to drop, and a reduced attention span isn't helpful, either. It ...

David Mazzei has spent the last several years building a Superlite SL-C—a race- and street-legal component-car monster—powered by a custom-built, five-rotor peripheral-port engine fed by a massive ...

Could there possibly be a rotary engine with 12 rotors? The answer is yes, and here's everything we know about it including ...

Over-the-top rotary builds are an enthusiast tradition. Because so few rotary cars have been made, the limits of the engine type haven't been fully exploited by automakers. It's been tuners who have ...

Rotary engines might not be everyone's cup of tea, but they hold a special place in our hearts. They're quirky and unique, and sound unlike any piston engine. This six-rotor RX-7 is a great example of ...

For more than a decade the name Wankel has popped up whenever car enthusiasts start talking about advanced-design automotive powerplants. The theory of the Wankel engine goes back to 1954 when Dr.