I just learned something about trucks, Napco... Northwest Auto Parts Company, made 4 x 4 conversion kits for GMC, Chevy, and Fords, because the factories didn't offer 4x4 trucks (Dodge was making them in the 40s, hence, Power Wagons wor WW2 Army use)

by 1957 GM was installing them at the factory, and finally in the 60s made their own.

http://www.popularmechanics.com/cars/trucks/g132/the-51-coolest-trucks-of-all-time/?slide=7

If you like trucks, this is one of 51 cool trucks that Popular Mechanics put together ijn a list with no rankings, no this is better than that, just a cool bunch of trucks. All of them. Well done http://www.popularmechanics.com/cars/trucks/g132/the-51-coolest-trucks-of-all-time/