In the case of the manifold and throttle ... Stage Induction (SSI) intake for LS engines. To properly test the SSI intake, we built a suitable test motor. Our LS1 short-block was assembled by ...

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 ...

Nothing ever stays the same for long-technology makes sure of that. Not all that long ago, high-tech was a digital electronic ignition system. Today, the new LS1 and LS6 GM engines are pushing the ...

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 ...