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 ...

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.

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

GM's new 2.7-liter turbo-charged engine for the 2019 Silverado and 2019 Sierra has been assigned production/RPO code L3B.

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

GM's LS engines are popular, but the automaker has remained incredibly quiet about what the two letters in the line's name stand for.

General Motors' LS and Vortec V8 engines are very similar, to the point that some people consider them one and the same. There are slight differences, though.