While some Gen IV engines do use cathedral port cylinder heads, pretty much all are of the later, LS6 design. By 2009, cathedral port use was mostly restricted to just the 5.3L engines while all but ...

While some Gen IV engines do use cathedral port cylinder heads, pretty much all are of the later, LS6 design. By 2009, cathedral port use was mostly restricted to just the 5.3L engines while all but ...

Engine swaps open up a lot of possibilities for project car builders. One of the most common engine swaps to see is the LS swap, with everyone from drift car builders to drag racers opting to use GM's ...

GM's LS engine is a powerhouse, thanks to great-flowing heads that enable tremendous horsepower and high-rpm performance. But while the LS is becoming a more popular swap choice for earlier, pre-C5 ...

Owning a classic car, truck, or SUV is a largely joyful experience, but there are definite pitfalls that come with the territory. Having a vehicle that is decades old in your driveway or garage often ...