The Gen III LS1 engine factory-installed in '98-'02 Firebirds, '04 GTOs and the Gen IV LS2 between the fenders of the '05-'06 GTOs are excellent powerplants. Current LS2 engines are rated at 400 hp ...

When it comes to building an LS-based engine, there are a ton of ways to go about it. The first thing you need to ask yourself is how you want to use it. If hard handling is in your future, then ...

Explore the rise of GM's iconic LS small-block engine, from its debut in the C5 Corvette to its impact on performance ...

In our last installment, we set out to build a really big LS engine. How big? Well, in this case a rather voluminous 490 cubic inches. Yep, that’s big-block cubes in a small LS package. The first step ...