Why it matters: Additive manufacturing allows rapid prototyping and production of unique LS engine parts without costly tooling, making high-performance customization more accessible. Material choices ...

Back in 2004, GM Performance Parts shipped us a complete LS1 to evaluate. Looking back, we really threw the hammer at this one. We tested every off-the-shelf cam, manifolds and cylinder heads, ...

There has been a movement within our hobby over the last several years to update vintage iron with an eye toward modern-day performance, reliability and, most importantly, drivability. Call it Pro ...

To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

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

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 ...

If you're looking for an alternative to the boring Chevy LS engine swap, you might be wondering about the differences between it and Ford's Coyote engine. While you can still buy these V8 engines in ...

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 ...