The centerpiece of the iconic 1991 GMC Syclone is, without a doubt, the turbocharged 4.3L V6 LB4 engine. This power-dense six-cylinder produced a very respectable 280 horsepower and 350 pound-feet of ...

Before crazy trucks took over the market, the virtually identical turbocharged GMC Syclone pickup truck destroyed the idea that sports cars had to be non-crazy. The GMC gave trucks and SUVs ...

High-performance trucks aren't a recent invention and have been around ever since Dodge started putting its Hemi V8s in the D ...

General Motors, the owner of GMC, has made all sorts of impressive powertrains over the years. Muscle cars with V8s are ...