Hot Rod

First Look: Performance Design’s XS Intake Manifold for LS3 V-8

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 ...
Hot Rod

We Test Three Different LS3 Intake Manifolds for Performance

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 ...
GM Authority

Lingenfelter Offers Carbon Intake Manifold For LS3 And LS7 Engines: Video

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 ...
Motor Trend

What is the hot setup for a turbo LS, rectangular port or cathedral port heads?

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, ...
Motor Trend

History of the LS Engine and Cylinder Head Casting Number Spotter’s Guide: LS1, LS6, LS2, LS3, LS4, L99, LS7, LSA, LS9, LQ9, LQ4, L92, L94

Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest performance cars, but GM read the tea leaves and knew that this platform would not be able to get them where they would ...