Typically, when one pictures a passenger car engine with two heads, the first thought that comes to mind is a V6. These ubiquitous engines are almost universally found within just about every major ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

While some have advantages over others, these 12 engines have displayed optimal traits for successful tuning.

The mid-engine sports car is an increasingly rare breed, but Lotus still carries the torch with its Emira, which is available with a choice of supercharged V6 or turbocharged inline-four cylinder ...

Some of the most powerful and stunning machines on the road borrowed their hearts from cars you can find at the mall.

Some ways to increase horsepower for under $1000 include using cold-air intakes, high-flow mufflers, ECU flashes, fuel system ...