The General Motors 5.7 LS1 engine was a naturally aspirated small-block V8 engine with two valves per cylinder and the traditional pushrod valve gear and two valves per cylinder, a layout that has ...

Third Time’s A Charm: More than 20 years ago, GM’s all-new Gen III V-8 launched a new era of power, efficiency, and respect Talk about a quantum leap in technology and performance? This is a story at ...