Hy Hydra1/2ton, your serial number breaks down as follows,
6 = year 1946
94 = GMC 3/4 ton
24 = pickup delivery 125 1/4" wheelbase
03244 = regular production number
Canadian produced GMC light trucks of this period had Chevrolet engines, yours had a 216 when it left the factory. GMC engines are longer than Chevy engines, so swapping is not a drop in proposition, hope that helps.
