The LS engine, originally designed for General Motors’ vehicles in the late 1990s, has transcended its initial purpose to become the most popular swapped powerplant in automotive history. Its ...

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 ...

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 ...

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 ...

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" ...

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 ...

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 ...

When the all-new fifth-generation Chevrolet Corvette had its premiere in 1997, it packed a likewise all-new LS1 V8 engine making 345 horsepower and 350 pound-feet of torque — which was enough to ...

Sometimes folks take the “LS-swap all the things meme” literally, as is the case with the LS engine-powered Murray lawnmower featured in the following brief video. Clocking in at a little 2-and-a-half ...