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 ...

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 ...

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 ...