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

Dyno-tested : C6 LS3/LS7 iNTECH cold-air system from Holley

Feeding an engine cooler, denser air adds power—and C6 Corvettes are no exception. Though finding additional power in Chevy's highly tuned 6.2L and 7.0L powerplants can be challenging, there is still ...
Motor Trend

LS3 Cylinder Head, Cam, and Intake Swap - Crate LS3 Throw Down

These days, opting to build a Mouse motor over an LS small-block probably means that familiarity and practicality both stepped into the boxing ring, and the former won via TKO in the 12th round. With ...
Motor Trend

LS3 Engine Engineers - Inside Information

If you recall from Part 1 of "Inside Information" (May '11), we introduced you to the talented and highly trained Design Responsible Engineers (DREs) who oversee the design, development, validation, ...