It all started with a bad decision—or so we thought. We picked up a right-hand drive Mazda RX-7 in rough shape. The paint was garbage, the engine was blown, and the interior had seen better days. But ...

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, ...

Your old, reliable engine has been coughing up some strange, but concerning noises. So, you call your mechanic to find out what the problem and solution are to restoring its harmonious hum. But the ...

One overbuilt V-8 that quietly racked up 250,000 or even 300,000 miles.