Quote:
Originally Posted by 97 SL320
Follow the crankcase ventilation path. Air entering the crankcase will keep that area cleaner and the air out area will be sludged up, this is typical for any engine especially a V configuration.
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Yeah you are right, the passenger side is ported to manifold vacuum.
OTOH Really funny ones are the toyota 2AZ where some mechanics break/cut the ventilation baffle under the oil fill cap (youtube videos of this exist too) - and wonder why its sludging up in the lower end. Without the baffle guide air goes in from one side of the valve cover, makes a U turn and out the back of it.