I have searched to no avail on this topic.

I have removed my head on my D16Z6 to do a top end rebuild. After the removal I have noticed alot of carbon buildup on the exposed surface of each piston. I would like to know what is the best way to clean the bottom half of the engine with out completly taking the bottom half apart and doing a full rebuild. The engine has about 135k on it but the bearings seem to be in good shape.

Thanks for the help in advance.