Many GM engines share similar RPO codes; multiple different blocks are known as LS6 or LT1. But there's actually a reason as ...

Don Yenko-led projects were often great, but few had the charm of this particular small block V8.

Chevrolet’s big-block V8s have never been subtle, and few pairings spark more debate than the 396 and the 454. Both are Mark ...

From its humble beginnings in 1955 to powering everything from Corvettes to airplanes, this American icon has left an indelible mark on the world.

Gearheads talk of the Muncie Corvette transmissions, but what are the differences between them? And why are some more desirable than others?

The Jetfire was a two-year model, produced in less than 10,000 examples in total, and the optional four-speed gearbox was ...

GM Authority is taking a closer look at how an engine block heater works, while outlining how it can improve cold-weather ...

GM has confirmed that its next-generation V8 engine will be built in Canada, and is set to power the automaker's full-size SUVs and pickup truck models.

Plymouth sold 12,000 GTX muscle cars in 1967, but only 125 were ordered with the now-iconic 426-cubic-inch Hemi V8 engine.