My method. Front clip off. Hood off. Rear bumper off. Assume you know everything else to disconnect. Fuel filler, wiring, column, 10 body bolts,etc.
Jack up rear at pumpkin, take wheels off, jack stands under strong body ribs at very rear of panel/burb. (I guess that's what you have?). Jack up front level to rear height. Place two more jack stands at strong body strut at front of steps. Let frame down front and back and body will separate. Start rolling on rear jack and front tires, slowly forward and straight. Steer by moving front wheels. When rear drums reach front stands, jack up rear jack, frame will hit body again and raise front of body. Move front stands just behind drums in strong spot. 2X4's will help to spread load and not bend anything. Lower rear jack again. Continue forward and out. Attach rear wheels and roll away. I then let down on a dolly I built or let down on a safe structure with beams across where frame mounts. Be sure you have the height to ceiling before starting. Good jack stands needed and probably wood or other high objects to place stands on for the additional height needed. That will be pretty high up. No dogs, kids or radio blasting while doing this.
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