A few months ago, we hatched a plan to test every intake manifold for the LS3 engine that we could get our hands on. Given the popularity of the rectangular-port LS3 configuration, it was only natural ...

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 ...

These days, opting to build a Mouse motor over an LS small-block probably means that familiarity and practicality both stepped into the boxing ring, and the former won via TKO in the 12th round. With ...

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 ...

What is the best bang-for-buck V-8 crate engine you can buy in 2024? The correct answer is Chevy's tried and true swap platform, the “Gen IV” 6.2-liter LS3 V-8 engine. Why the LS3 when there are ...

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, ...