Hot rodders have known about the power of the Gen III/IV for quite some time, and it’s not news to anyone that they’re being dropped into just about everything. They’re so popular, in fact, that many ...

These SLP headers have 1-inch primaries that dump into a 3-inch collector. Made from stainless steel, they're advertised to produce an extra 23 hp and 21 lb-ft at the wheels. The set pictured has an ...

We'll go out on a limb here by saying that in the coming years, the Gen III small-block will become the dominant engine in performance engine circles. Eventually, this small-block family will ...

Now that we have a better understanding of why headers work, the question now becomes do they work in the presence of boost? To find out, we decided to run a series of tests by comparing headers ...

Chevy LS engines are among the most popular donor motors for DIY swaps in vehicles from vintage muscle cars and Jeeps to 1970s and '80s sports cars. The LS series' high power-to-weight ratio, ...

General Motors’ LS V8s are beyond commonplace in the car nut universe. People swap them into everything—Porsches included—and while they’re the quickest way to impress on a dyno, they aren’t exactly ...

LS swaps are nothing new — if anything, the street performance world has been stuffing GM's finest big-cube V8 in just about anything that would take it for years now. Porsches, E36 BMWs, Mustangs, ...

This 2000 Camaro SS is still rocking its original, high-mile LS1, but now, it's topped by a supercharger from a C6 Corvette ...