A complete guide to the history of the LS and Vortec engine brands, the differences between them, and their components. Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest ...

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 ...

LS engines, a staple in General Motors vehicles since their inception, incorporate steam tubes as a crucial part of their cooling systems to manage heat accumulation. These tubes have been the subject ...

General Motors began using LS V8 engines in its muscle car lineup in 1997 with the introduction of the 5.7-liter LS1, the first of its third-generation small block design. That first iteration, used ...

It's hard to believe that General Motor's LS series of engines have been with us for 20 years. Introduced in 1997, performance enthusiasts quickly learned all this new design had to offer—these ...

Owning a classic car, truck, or SUV is a largely joyful experience, but there are definite pitfalls that come with the territory. Having a vehicle that is decades old in your driveway or garage often ...