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I've decided to go with a 460 and should purchase it in a few weeks. It will be a few months before I can work on it, so I was wondering what needs to be done when you intend to store an engine.
Don't laugh, but try the same things you're supposed to do on a lawn mower over the winter. Drain any fuel from the carb.
Don't leave cruddy old oil in there. It'll turn to turds in the oil pan. Dump any old oil and put some light weight oil or ATF in the crankcase.
Pull the plugs, spray a whole bunch of WD-40 or light oil from a spray can into each cylinder, crank it around once with a big ratchet on the crankshaft pulley nut, then loosely screw the plugs back in finger tight. Spray exposed surfaces with WD-40 to prevent surface rust if you want.