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 ...

GM's LS engine is a powerhouse, thanks to great-flowing heads that enable tremendous horsepower and high-rpm performance. But while the LS is becoming a more popular swap choice for earlier, pre-C5 ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

Full tear-down work begins on an LS engine build project, bringing attention to the detailed disassembly that comes before ...

Sometimes a good story has no romance—no big horsepower or awe-inspiring torque. Some good stories are all about the details that the big-power stories overlook. But if you play with engines like we ...

In the hot rod world engine swaps are a big part of what we do. It can be a small-block V-8 to replace a straight six-banger, a big-block in place of a small-block, or any number of "this for that" ...

Let's define "small-block" so no one will get mad (people will still get mad). General Motors may call the Gen-III to Gen-V LS and LT V8s "small-blocks" in marketing materials, but even Chevrolet's ...

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 ...

General Motors has been producing small block V6 and V8 engines since the mid-1950s, and over the last 70 years of their existence, they have been through a great number of changes. The biggest shift ...

The first difference that stands out between the LSA and LT4 General Motors engines is that the first is obviously an LS, while the latter is an LT. While being of two distinct small block engine ...

Daud Gonzalez is a lifelong car enthusiast and automotive writer with a specialty in modified and race-ready rides. He spends most of his time modifying his cars and ruining them in the process. He is ...