In its standard form, the Mazda 13B Rotary engine has two rotors that make a distinct 'brap-brap' while at idle, and a 9,000 ...

Rob Dahm has built this car from the ground up, and the billet aluminum rotary is now singing on the dyno.

Rob Dahm was apparently willing to sacrifice everything in order to beat the car that inspired his high-horsepower build, Block's 1,400-hp Hoonicorn. On paper, it’s an interesting, almost even match, ...

Can a single rotor Miata exist without shaking itself apart? Can a single rotor Miata be even more fun to drive than its ...

Rob Dahm has been in the process of building and breaking his 4-rotor RX-7 for a long time now but this might be the most glorious failure of them all. In his first video for a new Top Gear YouTube ...

If anybody needed further proof of the fact that building and driving rotary-powered machines is nothing short of a fetish, the story of YouTuber Rod Dahm's otherworldly Mazda RX-7 project can easily ...

Record-breaking goal: Rob Dahm's 12-rotor engine aims to produce 5,000 HP, a figure rarely seen outside of drag racing or marine engines. Unique rotary design: The engine combines three four-rotor ...

Rob Dahm is putting together a rotary engine for a C8 Corvette. It’s going to be a wild build. The 1973 oil crisis killed the rotary project at GM, and the Aerovette didn't materialize as the basis of ...

Any time you start playing with boost, terrible things can happen. That's why this tuning class from Rob Dahm featuring his 600-horsepower rotary-powered Corvette is so special. For the uninitiated, ...

Super Street:Four years ago, during our annual pilgrimage to the SEMA show in Las Vegas, we ran across a widebody RX-7 in the Garrett Turbo booth that wasn't complete but showed some serious promise.

Rotary enthusiast Rob Dahm has recently bought a C8 Corvette for his next project, the “modern Aerovette” with a four-rotor turbo engine in the middle and close to 1,000 ponies on tap. But before the ...