Though mechanically similar, the GM LT4 and LT5 6.2-liter engines are radically different when it comes to performance.

If you’re a fan of Chevy big-block engines then certain numbers make you smile a bit when you hear them: 454, 396, and our favorite, 427. But these days, thanks to the aftermarket, you can go ...

I started learning to work on cars in the late 1970s by helping my stepdad turn salvaged mid-1960s Chevy Chevelles into street-stock-class race cars. Throughout that period, I had my hands on a number ...

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 ...

It was nicknamed the Mystery Motor and the Porcupine. Whatever you call it, this engine is so rare that only nine examples ...

When the gearheads of the world get together to talk about the most powerful vehicles from the early muscle car era, those sporting the more notable big block engines of the day tend to take up most ...

The fourth-generation Chevy Equinox debuted for the 2025 model year with sharper styling, a modernized interior, and a long list of new tech features. And yet, under the hood, the fourth-gen Equinox ...

The 1963 Chevrolet Impala 409 has never been subtle. Even among Chevrolet loyalists, the W-motor big blocks carry a mythic glow, the kind of powerplants that helped rewrite performance expectations ...

The most common Chevelle body style in 1968 was the 2-door sport coupe, with Chevrolet building over 180K units fitted with a V8 engine (in addition to over 20,500 units with a six-cylinder engine).

It seems impossible to believe, even 60 years after the fact, that General Motors (GM) banned all of its divisions from racing participation and development in 1963. Part of this silly rule included a ...