A complete guide to the history of the LS and Vortec engine brands, the differences between them, and their components. Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest ...

Long before the Silverado 2500 entered the scene, three-quarter-ton Chevrolet pickup trucks came in the guise of the C20 and K20. Currently listed on Bring a Trailer with a high bid of $12,000 and ...

The popularity of various engine designs typically fades over time as technological advances provide more power, better fuel economy, or both. Flathead designs gave way to overhead valves, and inline ...

Inspired by the longstanding Chevy small-block V8, the LS engine family entered production for the 1997 model year in the fifth-generation Corvette. The all-aluminum lump was followed by a lot of ...

When does "just a little bit more" become too much of a good thing? The answer is that it occurs a lot sooner than most hot-rodders think. We're not sure when it happened, but at some point an engine ...

The GM 5.7L L31 V-8 was based on the original GM small-block, which was first offered in 1955. The truth is that many people are convinced that the LS engines are a better swap, although in most cases ...

When starting a project vehicle, there are several considerations to take into account, such as the complexity of the build, costs, and parts availability. Unless you happen to have several thousand ...

The original Chevy small block engines had one of the most incredible runs in automotive history, covering two generations across nearly 40 years, from 1954 to 1993, and powering half a century of ...