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 ...

As hot rodders, our goal for doing anything to our cars falls into two categories: The first are things that makes it look better, and the second are projects that help our Chevys perform better. Now, ...

Air Power: Holley’s iNTECH cold-air intake gives a 5 percent boost in power to LS3- and LS7-powered C6 Corvettes Feeding an engine cooler, denser air adds power—and C6 Corvettes are no exception.