General Motors introduced the LS4 engine in 2004, but what cars had it under the hood? Here are the models and how much ...

Ron Strayhorn is an ambitious hot rodder. By day he's a mild-mannered executive running GM's western region service and parts operations, but when he's not on the clock, he's scheming new and more ...

LS engines, a staple in General Motors vehicles since their inception, incorporate steam tubes as a crucial part of their ...

Even if you've barely got your toe dipped into car culture, you're likely familiar with the term "LS Swap." You might even be familiar with what an LS is, but let's do a little recap here. The LS ...

Builders interested in upgrading their project vehicle’s LS V8 engine with a big, bad blower should check out FAST’s new supercharger and cam power package. Recently revealed at the ongoing SEMA360 ...

The venerable LS engine swap is a meme for one very good reason - the LS V8 is a great engine. With its relatively low weight, compact size, big power potential, and a seemingly endless supply of ...

This is the drive behind Comp Cams new Fifty State Legal (FSL) camshaft line for the entire range of GM LS Gen III/IV V-8 engines. Thanks to Comp, there is now a 50-state-legal camshaft for almost ...

Back in 2009 when LS swaps were gaining ground, we had Mike Copeland write an in-depth story on the things you need to consider when swapping in an LS engine into a vintage muscle car. Mike was the ...

Ever wondered why LS engines have steam tubes? They help vent trapped air, preventing overheating, detonation, and ...

GM’s LS-series engine has taken over the automotive world; it is now a common sight between the fenders of muscle cars, hot rods, planes, but what about trucks? For a long time, the fear that an LS ...

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 ...