If you can find the Maple Leaf Maintenance Manual, I would still get that because you now have a Canadian GMC. If you can't find that manual you should get the GMC Maintenance Manual 1947-1954 Models 100 thru 400. Find a separate manual for the chevy 235 engine and add to that a third manual. 1947-1954 Truck Factory Assembly Manual. This last one is for chevy body parts. I have never found one for GMC body parts and if your going to do a full factory restoration, it will come in very handy. Cecil........