One of the easiest ways to tune an engine's performance is with the intake manifold. Yes, the camshaft can have a bigger role in horsepower production, but a camshaft swap includes real work and more ...

A stock LS3 rec-port intake manifold is hard to beat and only costs $299. When Chevy went back to the drawing board after the success of the cathedral-port Gen III LS1 small-block V-8, it realized ...

For more than four decades, Lingenfelter Performance Engineering has been churning out a slew of wild high-performance products, from engine upgrades, to parts, to crate engines. Now, the tuner is ...

The question of the day seems to involve the difference between the original cathedral-port and modern rectangular-port LS heads. More specifically, which one is better? Were we to compare two sets of ...

The electronic fuel-injection systems that have been installed on Corvettes since the early '80s have improved dramatically over the years. So has the tuning software that provides the capability to ...