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 ...

Wind the clock back a decade, and asking why the LS remained the default swap choice would have been a pointless question. The answer was obvious — engines were cheap, plentiful, aftermarket support ...

The early days of LS-swapping were hard. There was little to no aftermarket support, and even simple things like clearing crossmembers required modding the factory oil pan and other bits. By today’s ...

Over the years, General Motors has employed several eight-cylinder engine designs ranging from the inline "Straight-8" to the current LT1 V8. However, many agree that the small-block LS engines were ...

GM’s Chevrolet LS engines redefined the pushrod V8 to give us one of the most dominant performance platforms of the modern era. What we refer to today as the LS family of engines usually refers to the ...

The new billet-aluminum, SML-based powerplant from Steve Morris Engines builds on the legacy of its Drag Week-winning SMX V-8. There's no denying that the LSX engine family has been hugely successful ...

There's a reason why gearheads put both LS (not to be confused with LT) and Vortec engines under the same umbrella of "LS", despite GM originally assigning them different badges. (And in case you're ...

It's always a big moment when a new LS engine is introduced - what's so special about the next one?

We're used to the unexpected from World Products--things like 454-cube small-blocks and big-blocks with cylinders large enough to warrant their own ZIP codes. But this is something altogether new and ...

Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest performance cars, but GM read the tea leaves and knew that this platform would not be able to get them where they would ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...