Earlier this year we bolted a cam and headers on a 5.3L Gen III called Little Bro and made 458 hp at a screaming 6,600 rpm. That engine revealed the potential of a lesser-known family of iron-block GM ...

Unless you've been living under a rock, you've no doubt been regaled with the benefits of Chevrolet's LS-based engines. To be honest, all the hype is entirely justified. They are simply better in ...

So we excavated an orphan LQ4: a really ancient 1999 version with iron heads. It literally was an orphan because nobody wanted it. Our buddy Bill Irwin found this neglected engine leaking on the floor ...

General Motors introduced the third-generation small-block V8 engine, the 5.7-liter LS1, in conjunction with the new C5 Chevrolet Corvette in 1997. That launch marked the beginning of the LS engine ...