Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest performance cars, but GM read the tea leaves and knew that this platform would not be able to get them where they would ...

Haltech has traditionally catered to the professional racer and has for decades focused on competition applications. That focus on engineering, customer support, and the company’s high level of ...

Every General Motors LS engine is special, starting with the LS1, a 5.7-liter Gen III small block V8 which debuted in the 1997 C5 Corvette. In 2008, GM released the 6.2-liter LS3 based on the Gen IV ...

In previous issues we talked about the GM 5.3 engines and how they are abundantly available. Recently, we have been hearing more talk about the smaller version of the LS family known as the 4.8. Now ...

Engine swaps open up a lot of possibilities for project car builders. One of the most common engine swaps to see is the LS swap, with everyone from drift car builders to drag racers opting to use GM's ...