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 ...

Loyal HRM readers will no doubt remember our "Ultimate Chevy LS Cylinder Head Test" in the Dec. '10 issue in which we tested 11 different LS1/LS6 cathedral-port-style heads. In this issue we're doing ...

Just in case you aren’t up on current events in the LS community, there seems to be a divide wedged firmly between cathedral port and rectangular port enthusiasts. For those unfamiliar with the terms, ...

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 success of any LS build is determined by the combination of the components used. You can have the best flowing heads, the wildest cam profile, or even the hottest intake, but unless all of these ...