What Gary said, plus it never hurts to stuff the nastiest, oiliest rags you can find up the tailpipes. You would not believe the volume of nesting material I once blew out of an exhaust system when firing up an outdoor "stored" parts car for the first time.
We're storing the '85 outside this year, 'cause we need the room to work on the bikes and the 5.0 over the winter. Jack stands, a cover, battery inside on a solar tender, and every major orifice plugged. I'm probably going to bag the rims or at least lean boards up against them to prevent errant snow shovel damage.
Don't forget to remove or at least dilute any summer windshield juice with the winter version.