Be careful when purchasing new plastic lifter guides for GM’s LS engines. It’s always a smart practice to replace the lifter guides when rebuilding an older LS engine as the material can become weak ...

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 ...

A great way to breathe new life into a classic truck is by swapping the engine. You can get modern power, better fuel efficiency, and improved reliability, all while keeping that vintage look. But if ...