Drive next to a towering Ford F-150 or Chevrolet Colorado today, and no-one would bat an eyelid about the sheer size of these trucks. We've become accustomed to them. But back in the 1970s ...

In fact, GM put square wheel wells on its trucks for nearly 50 years ... early-60s first-generation C-series trucks had square-ish wheel wells — GMC and Chevy wheel wells were as round as ...

A combination of powerful engines, sharp looks, and ease of modification has helped make this era of Chevrolet trucks an ...