Is an intake manifold an important part of a performance LS build? The answer is, obviously, yes. One need only look at the peak power difference between the least and most powerful intakes in this ...

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 ...

It doesn't matter whether it's a lowly LM7 or a top-of-the-line H.O. sporting higher compression and 243 heads, everyone loves 5.3L truck engines. The 5.3L has quickly become the go-to engine for ...

Before we begin, let us recap the premise of this story. In our October 2008 issue, we did a story called "Generation Gap." In it, we took a stock 5.3L LS1 engine from a wrecked '02 Suburban, then ...