Discover the top 7 most popular engine swaps, from versatile Japanese options to powerful American V8s and unique outliers.

Mazda built less than 70,000 units of the third-generation RX-7, which is also the last of the RX-7s. It was the first mass-produced automobile to feature a sequential twin-turbocharged engine that ...

One of the most important parts required for the long-awaited successor to the Mazda RX-7 is nearly complete, but other pieces of the puzzle aren't quite as ready.

How many rotors are too many? While most Mazda engine builders and tuners wouldn’t dare to build an engine with more than four rotors, a company out of New Zealand has built a six-rotor engine for the ...

Every once in a while, a revolutionary new design or concept takes the automotive industry by storm. In the 2020s, it's been electric vehicles, but just a few decades earlier, the rotary engine was ...

When it comes to how safe the LS V8 should feel inside a Chevrolet Corvette's engine bay, the answer is "very." Not only does it provide a more than an adequate match for America's favorite sports car ...