We help you learn to identify late-model GM V8 engines based off of ports, size, bolts, and more.

The new 6.6L V-8 gasoline GM engine for the 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD is assigned RPO Code L8T.

Both the naturally aspirated V8 gasser and the Duramax-braded V8 turbo diesel are fine engines in their own right, but they ...

It may seem weird in today’s austere era, but General Motor’s Buick, Chevrolet, Oldsmobile, and Pontiac divisions once all produced unique GM 350 engine designs. Virtually no parts interchange ...

Big block engines used to power some of the toughest trucks, but they've fallen to the wayside. Chevy's final big block engine was one of the biggest ever.

General Motors' small-block engines have powered its vehicles for decades. We're taking a look at two current models, the LT1 and LT4, to find the differences.