The terms Rat and Mouse have been used by enthusiasts to refer to Chevy's big- and small-block engines for decades. But, there is growing use of GM's LS engine family in the rodding world, and that ...

You've likely heard of plenty of Chevrolet engines known as "LS" in one form or another. But is there actually any deeper meaning to those letters?

There seems to be no upper limit to the capability of GM's versatile LS V-8 small-block engine family, both in terms of horsepower output and displacement. Throughout the 1960s, the distinction ...

You swap an engine when you want more power, and the GM LS range of engines is, with the Honda K-engines, the logical choice to achieve this. The LS engines are a range of small-block V8s made from ...

Chevrolet started making small block V8 engines all the way back in the mid-1950s and has had many different generations in that time. For over 40 years, Chevrolet made different sizes and variations, ...

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 ...

No matter what happens to the LS over the next decade, it's here to stay and will quickly replace the traditional small-block Chevy. I believe that the trend from Mouse to LS engines is happening much ...

Ryan de Villiers is a budding automotive journalist based in South Africa and serving as one of the newest additions to the CarBuzz team. He immediately pursued a career in journalism after finishing ...