John,
Engine out of the car is the easy way! You will need an rtv silicone in the corners where the cork meets the rubber end seals. I don't know whether correct or not but I would aslo run a bead along the inner mating face of the rubber end seals for piece of mind.
If I'm doing it in the car I use a thin bead of blue rtv to hold the gaskets to the block while I offer up the pan as well.
Others may have different advice?
Julian
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