Umm, hate to be rude but that inside of that motor looks horrible! That valley area looks like it came out of a '75 Vega or an old Checker cab. Better check your evac system since I don't think it is working.
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Must be the way it photographed with the sun glare. Couldn't be any cleaner.
I will back you up on this, Some of the pics look dark oil stained but, others show Clean as can be. Its the lighting, im sure.
The lighting from the crank side , super clean. The lighting from the intake valley is dark and looks pretty dirty. Put some light on it and Im sure it will look just as clean as the crank side.
