The WHOLE engine was BLUE from the factory.
Whether you do it through the valve covers or elsewhere, yes the engine needs positive crankcase ventilation.
The block and valve covers were black.The block and valve covers were black.
it is in one of the valve covers
You need to put a vent and a PCV valve in the valve covers.
If its the standard height, nothing. If they are screw in studs with tall nuts, then you will need tall valve covers.
YES like night and day.
100 INCH pounds.
No, Dodge and Chevy parts will not interchange. SORRY
YES they are different. They will NOT INTERCHANGE.
One of the valve covers.
Usually on one of the valve covers attached to a rubber hose going to the emissions system. the valve covers are the "upside down bread pan" looking things on both sides of the engine.
Typically there will be a cap on one of the valve covers. jr