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 ...

Way back in 2015, we performed the mother of all LS intake tests by running 20 different intakes designed for cathedral-port heads . That test included every cathedral-port intake we could get our ...

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 ...

If you recall from Part 1 of "Inside Information" (May '11), we introduced you to the talented and highly trained Design Responsible Engineers (DREs) who oversee the design, development, validation, ...

Swapping intakes for more power is nothing new in the world of performance. Even with the excellent design of today’s LS-based small-blocks, and all their modern technology, the new top dog in the ...

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, ...