In a discussion of old-body style (OBS) Chevy pickup trucks, it's inevitable that the term "Square Body" will surface at some point. Chevrolet introduced the third generation of its C/K lineup of ...

Square bodies were phased out over the course of a few years at the end of the '80s and were replaced by the General's fourth-gen GMT 400 trucks. While the GMT 400 was a pretty big step up in ...