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 ...

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 ...

Dyno testing of our rebuilt LQ4 6.0L LS-variant truck engine at Westech Performance where it made 464 hp at 6,300 rpm ...

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 ...

This is not the story that we planned. General Motors' 4.8/5.3-liter LS-based blocks are relatively plentiful in the junkyards, but the larger displacement 6.0-liter LQ4 and LQ9 engines are tougher to ...