Originally Posted by shortbox
If you have that much in there I would disassembly the engine, clean everything and reassemble it with assembly lube. That's just what I would do if it was mine at this point. What did you use to get the inside so dirty ?? If you actually used a parts washer one the assembled lower end then that is reason enough right there to disasseble the engine. The solvent is in all the passages and bearing clearances and that in itself will ruin the engine if you start it.