Heat oven to 250 degrees. Pop the 8 quart of popcorn with an airpopper, place in huge oven roasting pan. In sauce pan put oleo, sugar and syrup. Boil 5 minutes on med heat. Take off heat and add soda -Hold Pan Over Popcorn When You Add Soda. It May Froth Up-. Pour over corn and stir well covering the corn. Put in oven and stir every 15 minutes for 1 hour. Remove from oven, let cool and put into covered containers. This corn is not clumpy or sticky once it cools down.