Steeda Oil Separator Kit for 1979-2004 Mustangs.An oil separator kit reduces detonation, oil burning and deposits on the valves by removing oil drawn through the PCV system before it can contaminate the intake charge. Kit includes the oil separator, required hose and hardware.
Excess crankcase pressure (sometimes known as "blow-by") is vented from the crankcase through the PCV system, where it is drawn into the intake manifold and returned by the engine. This re-circulated air contains aerated oil from the crankcase which is burned by the engine. Supercharged, nitrous boosted and high mileage engines often draw excessive amounts of oil into the engine through the PCV system. The Steeda oil separator plugs into the PCV hose between the PCV valve and the intake manifold and removes aerated oil from the re circulated air and collects it in a tube that can be drained and recycled.
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Installed the separator in my '00 Mustang GT. Install was fairly simple. Picked up some various pre-molded 3/8 inch hoses from Autobarn that made the install look look like it came from the factory. In only around 50 miles of driving there is a small accumulation of oil in it already. I would say this is a must mod to prevent this oil vapor, from the PCV line, building up gunk in the intake and valves, especially if you are supercharged or turbo.