We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

The most enduring engine in automotive history is about to change. The small-block Chevy is and will continue to be the most popular powerplant in the history of racing and high performance, but its ...

Born in the late '90s, GM’s 5.7L LS1 redefined small-block V8 performance with its lightweight aluminum build, compact pushrod design, and huge tuning potential. From Corvettes to Holden sedans, it ...

Let's define "small-block" so no one will get mad (people will still get mad). General Motors may call the Gen-III to Gen-V LS and LT V8s "small-blocks" in marketing materials, but even Chevrolet'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 ...

Why it works: LS engines combine compact size, high power, and reliability, making them ideal for retrofitting into older trucks without excessive fabrication. Fuel system matters: Upgrading to a high ...

14. Once on the Westech Performance SuperFlow 902 engine dyno, we added oil to the Dailey dry-sump system, connected the loom from our Holley Dominator ECU, and installed a set of Hooker LS 1 7/8-inch ...

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 ...

General Motors has been producing small block V6 and V8 engines since the mid-1950s, and over the last 70 years of their existence, they have been through a great number of changes. The biggest shift ...

You can LS swap almost anything. Enthusiasts have stuffed one of the General's LS engines in just about every kind of car you can think of: Volkswagen Beetles, old Porsches, DeLoreans, and everything ...