Built in large- in fact, vast- quantities from 1977 through 1993, the 151-cubic-inch Iron Duke four-cylinder served The General well, though generally without much recognition.

General Motors has created some all-time classic engines. The small block 350 cubic inch V8 can pack a serious punch, and the powerful and reliable 427-inch LS7 is one of the best engines ever ...

Yes, with the rugged Iron Duke engine shaking away under your Skylark's hood, fuel economy was good enough to banish those painfully recent memories of the Ayatollah's gas lines (though the 2.8 ...

The GM LS1 and LS2 are the successors of Chevy's small block V8 engine. While they share a lot in common, there are some small but significant differences.