Cleaning front cover

Inspecting the front cover I see it's covered with some sort of paint that's mostly flaking off..even inside the housing of the oil filter.  What do you guy do here...you blast it off...right?  I don't see any other solution...please advise:

Crank back from the machinist

Crank was magnafluxed, journals grinded, plugged and balanced...a thing of beauty: