Over the years, General Motors has employed several eight-cylinder engine designs ranging from the inline "Straight-8" to the current LT1 V8. However, many agree that the small-block LS engines were ...

The number of variations on the popular LS engine is downright scary if you are new to the game and trying to figure out which one to grab at the junkyard or online. So let's start from the beginning.

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, ...

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 ...