From trucks and RVs to boats, Chevy's 8.1L Vortec powered heavy-duty machines with massive torque. Here's what defined GM's final big block engine.

In the golden age of American muscle cars, three engine manufacturers dominated both NASCAR and the strets of the U.S. Here's hw the motors compare.

Unlike most of its competitors, the Chevrolet Mark IV Rat motor was designed from the beginning to be a high-performance race engine, with the initial Daytona "Mystery Motor" configuration merely ...

Brian is a published author who has been writing professionally for a decade in politics and entertainment, but found his calling covering the automotive industry. His love of cars started at an early ...

Introduced in 1970, the Chevy 454 — affectionately known as the Rat Motor – was the largest displacement Chevrolet engine to enter the big-block engine showdown of the muscle car era. At 454 cubic ...

Chevrolet is known for producing a lineup of powerful small block Chevy crate engines. However, the biggest Chevy crate engines include big block varieties as well. Chevrolet's largest displacement ...

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 ...

In the '60s, America developed some cool, advanced engines, such as Pontiac's overhead cam inline-6 or the jet-turbine in the Chrysler Turbine Car. Still, when push comes to shove, our first love is a ...

1971 was not one for the graduation albums of anyone in Detroit. Big and small automakers were served the low-compression-only course from the federal government. Basically, lead and gasoline could no ...