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 ...

Bowling Green, Kentucky-based aftermarket supplier Holley Performance has unveiled its new Lo-Ram LS intake manifold product line, which was designed specifically for Gen III and Gen IV General Motors ...

FiTech recently introduced a line of affordable and easy-to-install self-tuning induction systems for GM LS engines designed with both the do-it-yourselfer and the professional EFI tuner in mind. The ...

When we last left Modern Mouse, our in-house 5.3 LS dyno mule, we had just run a Zex perimeter plate nitrous system on the now 383-cube stroker. For those who don't remember, the Modern Mouse series ...

Having a V8 engine does not always guarantee big power. Some, like the early 350-horsepower LS1, are tuned for drivability and usable power delivery, not necessarily outright horsepower performance.

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The 1998 Pontiac Firebird Trans Am marked a turning point for GM’s pony car, bringing the all-aluminum LS1 V8 into a platform ...