While many classic truck fans may still be hoping for a return of the old square body GMCs, the recent online rumors aren't ...

That toughness was arguably never more embodied than in the brand's so-called "square-body" builds that went into production in 1973. If you're wondering how Chevy trucks from that period earned ...

Just as GM had tested the square body trucks back in the early '70s to help ... to identify and minimize any factor creating excessive drag or causing unsteadiness at greater speeds.