like hworrell said it should come all down for a good wash and re bearing cam mains rods and maybe a lite hone and re ring would have to do with how many lobes were ground off all that trash plays hell on the bores and the junk gets nail into the piston shirts same with the mains rods and cam bearings so a crank polish to but thats is up to you .this is the right way but there are other ways to .when i build something may go abit over kill but who wants come backs??