You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...

There are many different forms of internal combustion engines, but most use the same basic principle. Explosions in the combustion chamber move pistons up and down to spin a crankshaft. That ...

Putting a Mazda rotary engine into a badge-engineered Holden sedan seemed like a good idea at the time. But, the 13B engine's ...

When Dr. Felix Wankel created an engine that could produce big power while taking up the smallest space possible, who would have expected the tuning world to accept it with such open arms? Considering ...

How does one improve upon something seemingly perfect? By stepping up the game and proving there is more to be had. You've probably seen this rare '94 Mazda RX-7, as it has appeared at the 2016 and ...