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 ...

If your project car has a busted engine, you may be trying to choose between a new crate motor and a rebuild. Here's how to ...

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, ...