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 ...

Way back in 2015, we performed the mother of all LS intake tests by running 20 different intakes designed for cathedral-port heads . That test included every cathedral-port intake we could get our ...

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.

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, ...