The Chevy 454 Big Block V8 is one of the most legendary powerplants in American automotive history. Known for its massive ...

What we refer to today as the LS family of engines usually refers to the third and fourth generations of Chevrolet’s ...

While several other GM brands have their own performance sub-brand, GMC doesn't. Which makes us wonder - does GMC need its own high-performance sub-brand?

Volvo once created an engine known as the redblock. Its production didn't continue into the 2000s, but it's still regarded as a fantastic engine today.

GM's forbidden ZL-1 aluminum 427 engine cost $36K in today's money. Only 69 built through COPO program, now worth over $1 ...

New Grand Sport and Grand Sport X introduce next-generation V8 performance and electrified all-wheel-drive capability.

The 2027 Corvette Grand Sport has officially hit the spotlight, offered in three trims. Now, GM Authority is taking a closer ...

A 2023 Chevrolet Corvette Stingray with 17,000 miles experienced misfire codes followed by a rear pop and loss of drive, leaving the vehicle unable to move despite the engine running.

Plymouth is best known for muscle cars like the Barracuda, but the American automaker also offered a tiny bruiser during the ...

The 2027 Corvette Grand Sport is here , and with it comes the next generation of GM's small-block performance engines. The ...

The 1968 Plymouth Road Runner was the only Mopar of the 426 Hemi era to sell over 1,000 King Kong motors during a single production year ...

The T70S is the main track-only variant of the reborn car. It is built upon a lightweight aluminum monocoque chassis, with ...