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 ...

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 ...

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 ...

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 ...

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 spy shots last week told us what to expect and now GM has unveiled the 2008 Corvette, fitted with a new 6.2L LS3 V8 engine developing 430hp and 575 Nm of torque. Other changes include the option ...

Wow, how prescient were we to know to repeat the prescience of High Performance Pontiac magazine? Hmm, probably about as prescient as they were to have posted on the new 2009 Pontiac G8 GXP to begin ...

To accommodate the engine's large valves and enable more direct intake port flow, the intake-side rocker arms are offset 6 mm between the valve tip and the push rod. Actuating the valves is a new ...

The LS3 crate engine has earned a reputation as one of Chevrolet's most trusted and versatile powerplants. Churning out 430 hp at 5,900 rpm, in addition to 425 lb-ft of torque, which arrives at 4,600 ...