If the engine will run, fill it to the normal level with fresh 30 weight oil, add 2-3 liters of Diesel fuel, and run it at fast idle for 20 minutes or so. The engine serves as its own agitator, with the crankshaft providing the splash. Just don't drive it- - - -moderate speed in neutral only.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!