The General Motors 5.7 LS1 engine was a naturally aspirated small-block V8 engine with two valves per cylinder and the traditional pushrod valve gear and two valves per cylinder, a layout that has ...

It can be safely said GM's all-new LS1 opened the door to a new world of technology and performance in the 1990s. It can also be accurately stated the LS family is easily the most successful V-8 in ...

Although Vortec engines fall under the "LS" branding, they aren't actually the exact same as more traditional LS engines made ...

This American power unit has a track-record unlike any other modern V-8 engine.

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 ...

The most enduring engine in automotive history is about to change. The small-block Chevy is and will continue to be the most popular powerplant in the history of racing and high performance, but its ...

More power. More performance. More smiles. Those are the common denominators among Jeep owners who dream of slipping a healthy V-8 into the engine bay of their 4.0L TJs. Transplanting engines has been ...

We took the rotating guts from an LS1 engine and stuffed them into a bored out 5.3L block for a budget engine that put out over 450 horsepower on the Westech Superflow 902 dyno!

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?