Beast Custom Works has perfected the “Durasquare” truck build, which involves pairing a Duramax diesel engine with a vintage square body Chevrolet. These lengthy projects result in comfortable workhorses that bring back the styling everyone loves with more modern efficiency and comforts.
Diesel Tech Magazine Cover Feature
Swapping a gas engine into a diesel isn’t simple, and the difficulty depends on the make and model of the vehicle, but it’s doable for anyone who knows what they’re doing. And clearly Neil knows what he’s doing. But what makes a swap project truly unique is when you take a vintage square body Chevy or GMC and add a Duramax diesel engine to it, or in other words, you create a Durasquare.
Seth Harper, Diesel Tech Magazine, Oct 2021
Durasquare 
Durasquare 
