i have a cylinder block that is greasey, oily, scaley and generally manky. how do i go about cleaning it up?

honing tool for the chamber walls. some flat facing here n there. but what about the rest?

in particular im concerned about the oil and water ways. the water channels have that brown deposit you get when you use tap water.

i cant simply take it to a specialist place either cos i live on an island off the coast of scotland.

would ultra sonic cleaning do much use?

any help much apreciated.

 

I'd have thought utrasonuic cleaning definately would have got it off!

 

but you need a bath big enough to fit the block in - if the bloack is out, steam clean it an blow out all teh oil and water galleries