Federal Judge consolidates GM L87 engine lawsuits, setting the stage for a major court battle.

A new audio clip has hit the web that apparently captures the new LS6 engine set to power the forthcoming 2027 Corvette Grand ...

In 1962, Chevrolet introduced double hump heads on its small-block engines. These helped shape the incredible power of ...

This unassuming SUV hides a 550 hp American V8 and roars like a muscle car while keeping its classic off-road character ...

GM Authority has been busy serving up several exclusive details on the next-gen GM Small Block V8, but now, we're wondering - ...

General Motors is facing growing pressure from enthusiasts and engineers to move away from ultra-thin engine oils in future V8 engines, with durability concerns driving calls for thicker lubricants.

The 5.3 GM engine has a few iron variants and cathedral ports while all 6.2 engine variants are aluminum with rectangular ...

A legal battle over General Motors' defective 6.2-liter L87 V8 is officially marching on.Earlier this week, a federal judge ...

A majority of people overwhelmingly favor higher viscosity lubricants over efficiency-focused alternatives. Looser regulations will allow manufacturers to prioritize engine reliability over fuel ...

Despite the GM 454 and Pontiac 455 being within a cubic inch of each other, and both being GM brands, the two engines are ...

In 1978, General Motors revealed its 'revolutionary' 350 V8 diesel engine... which turned out to be one of the most terrible ...

The 1963 Chevrolet Impala Z11 was a lightweight version of the Impala that packed a 430-hp 427 under the hood and dominated ...