Ditto to Benny's advice. Every engine I build gets all the oil gallery plugs removed, and a good scrubbing with rifle and shotgun cleaning wire brushes and solvent, followed by a pressure wash. There's no such thing as an engine that's "too clean".
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!