YES they are different. They will NOT INTERCHANGE.
Whether you do it through the valve covers or elsewhere, yes the engine needs positive crankcase ventilation.
it is in one of the valve covers
They are under the coils and are located between the valve covers and the intake.They are under the coils and are located between the valve covers and the intake.
The intake manifold is bolted on the center of the engine between the 2 Valve covers.
You need to put a vent and a PCV valve in the valve covers.
YES like night and day.
100 INCH pounds.
No, Dodge and Chevy parts will not interchange. SORRY
The WHOLE engine was BLUE from the factory.
One of the valve covers.
From 1956 until recently it has been located at the rear of the engine between the valve covers hidden behind the intake.
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.