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 ...

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 ...

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 ...

In case you haven't been keeping up on current events, junkyard LS engines are all the rage. You see, rather than spend big money to go out and build an engine, you can pull a complete running one for ...

The LS3’s blend of power, reliability, and aftermarket support makes it a favorite for both swaps and performance builds. From basic bolt-ons to full Stage 3 transformations, success comes from ...

For Part I, covering the new combustion system, direct injection, and active fuel management: click here. For Part III, covering the block, crankshaft and lubrication systems: click here. Continuing ...

Chevrolet's LS-series ("luxury sport") is one of the most popular V8 engines ever with literally dozens of different iterations available. Of those, the LS3 is at the top of the desirability heap, ...