General Motors' four-cylinder Iron Duke drew on the proven engineering and lasted more than a decade. But it was shadowed by disastrous use in one model.

Giving a beating, internal-combustion heart to countless vehicles is none other than the famous – or, depending on whom you ask, infamous – Iron Duke four-cylinder. Known as the Tech IV later in its ...

General Motors is responsible for some of the greatest engines to ever see widespread use. The Chevy Small Block is considered by some to be the single best engine ever made due to the sheer ...

During the late 1980s, GM's marketers took their best shot at pitching the staid Chevrolet Celebrity as a performance car, with not-so-convincing results. The Pontiac Division had a somewhat sportier ...