I disagree. I pulled a 350 out of storage that was almost as badly sludged up. I pulled the oil pan and valley pan and used WD-40 and a brush to clean up all of the grease and grime that was inside. Used a little WD-40 and Simple Green while running the oil pump with a drill as well. It wasn't the prettiest engine but it ran great. After putting a new cam in (flat lobe) and timing chain in and putting it back in the car I did a lot of back to back oil changes. It's been running for 7 years now in a car with 60psi oil pressure cold and 20psi hot, no hint of trouble.
Granted, I do agree that pulling it all apart and hot tanking it is the CORRECT way to do it, but that doesn't mean he can't get it running fine as-is with the proper prep if nothing else is wrong.
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