Marvels down every spark plug hole and hand crank for 5-10 rotations.
New oil & filter.
If you have points then clean them in case they oxidized during their long sleep.
Fresh gas.
This worked well for me after a 10 year sleep.
If I had to do it again I would:
Run the oil pump with an electric drill down the dizzy pipe b4 cranking with the starter.
