Pop the hood on a classic Mazda RX-7 or RX-8 and the engine bay looks […] ...

Here's the process of making this rotary valve engine with a different intake and an exhaust system. It wasn't easy to start this engine and took some time to fully complete it. #shorts #diy #asmr #re ...

That alone reduces emissions and increases engine longevity. The rotary valve also means that the blockages caused by conventional poppet valves are not an issue as poppet valves are not needed in ...

Every few weeks I receive word at the office that some tinkering genius has revolutionized the internal-combustion engine. These notices arrive on pages still smelling of Damascus lightning, and ...

Joshua is an automotive enthusiast who explores every facet of car culture. With a history of over 30 vehicles, his love for Japanese tuner cars shines. Beyond ownership, he dives into every vehicle, ...

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 ...

A rotary engine, often referred to as “Wankel”, owes its name to German inventor Felix Wankel, who first developed the concept. Though he initiated the design, it was the Japanese automaker Mazda that ...

Mazda had to put their darling Mazda RX-8 out to pasture in 2012. A number of factors were responsible, from the rising fuel prices to more restrictive emissions guidelines. The weaknesses inherent to ...

Chris Bruce has worked in the automotive industry since 2011 and has written thousands of stories about cars, motorsports, and motorcycles in that time. He has written for Autoblog, Autoviva, CarFax, ...

Click to open image viewer. Power rating: 75 kW (100 hp) at 1,200 rpm Displacement: 12.8 L (783.27 cu in.) Bore and Stroke: 110 mm (4.33 in.) x 150 mm (5.91 in.) The first successful rotary engine is ...