[snowman]

Never ran, is bad, very very bad.

Can you find out if assembly lube was used and if so what kind(s).
Was it storred with oil or without?
Was it at least turned over by hand once in a while?
How many years, exactly?

While all of the rings and bearings will be good as new all of the seals may not.

The most likely thing that has happened if it set and was never run is that the assembley lube has dried up in place and is now plugging up everything. It may or may not be possible to dissolve the assembly lube if thats what was used. A good place to check is the camshafts and around them (you will have to remove one valve cover). If you find dried out lube and it looks like it could plug up something you may have to tear down the engine, clean it relube and reassemble. It may be possible to wash out the engine without tearing it down but I do not know if it will work myself. If no assembly lube was used then it should be possible to change the oil a couple of times and manually crank over the engine without the plugs in it to circ the oil and clean it out. I am not sure of what cleaner or solvent would be best to do this with. I have seen dried up black moly assembly lube in engines that have been run and I have seen dried up Red Line assembly lube in an engine that hasn't been run. I don't like black moly because of what I have seen leftover. Red line is the best, but after a couple of years it will dry out and it dosen't seem to clean off very easily or dissolve at that point

And then there those of us , some who wouldn't even change the oil, would just start it and hope for the best. Not a good idea in my mind. I think you could very quickly ruin the entire engine, but you would know right soon.