You do not need to hoist the engine, unless you own a deep tranny pan for a longer stroked crankshaft like the R/T trucks, or a 390 or 408 stroker might need. You will need to remove the starter, and tranny brackets to drop the pan. It's been a year since I last did this and I can't recall exactly, but I think you'll also have to take the dust cover off the tranny as the pan and cover are kind of linked together, you'll see what I mean when you're down there.
When you drop the pan and put the new gasket on top of the pan, tie the gasket to the pan in the four corners with thread thru the gasket and pan bolt holes. That way when you swing the pan into position, the gasket won't wiggle around. Thread the bolts in to hold the pan steady and before you torque it down, cut the strings and pull them out, or they'll wick oil past the gasket. Don't forget the dust cover will have to go with it if you have to remove it.