Simply put, an engine is a pump. By increasing its ability to ingest fuel and air, convert it to energy, and evacuate the remains, it will make more horsepower. We set out to show just what you can ...

Adding displacement is one of the simplest and most effective means of adding horsepower to any engine, let alone an LT1 or LS1 that are both highly responsive to modification. Thankfully GM has ...

General Motors' LS-series small-block engines have been in production for over a decade, but it's only been within the last few years that they have really hit critical mass among average hot rodders, ...

It wasn't until the '01 model year that the GM engineers made some significant tweaks to the engine. The LS6 intake manifold that debuted on the Corvette Z06 became the standard intake on the LS1, ...

The 1970 Chevrolet Chevelle SS LS6 arrived at a moment when Detroit was locked in a very public horsepower arms race, and it did not bother with subtlety. On paper and in the real world, it pushed big ...