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 ...

“Behind us is an ‘86 K-10 truck,” MINDDRIVE Director Oz Qureshi ... but he turned the keys to his black 1986 K-10 square-body Chevrolet Silverado over to Qureshi and his students instead.