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some_other_dave · 08-28-2009, 05:41 PM

Could it just be a somewhat convenient way of routing manifold vacuum to the valve cover? I know a bunch of older cars do that in order to vent the crankcase vapors into the intake.

08-28-2009, 05:41 PM	#3 (permalink)
some_other_dave Master EcoModder Join Date: Jul 2008 Location: Silly-Con Valley Posts: 718 Thanks: 41 Thanked 67 Times in 55 Posts	Could it just be a somewhat convenient way of routing manifold vacuum to the valve cover? I know a bunch of older cars do that in order to vent the crankcase vapors into the intake.