TwinTurbo.NET: Nissan 300ZX forum - My winter project...
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Subject My winter project...
     
Posted by Barry (NJ) on April 17, 2020 at 10:18 AM
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Message So, at WOT I had some heavy exhaust smoke, and on occasion I'd seen oil dripping out of my intake filters, especially after the car was parked facing down hill. Logic suggests I was sucking oil out of the valve covers via the PCV system at high boost. To remedy the issue I added some Air/Oil Separators between the valve covers and intake. My hopes are that the extra plumbing reduces the suction on the valve cover side, and any oil that does get pulled will now settle in the cans and not get to the turbo inlets.

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2020-04-17_10-51-03

Under fascia drain valves to ease maintenance.
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Only have a few miles on it since completion, but smoking at WOT has been greatly reduced, and everything seems to be running smoothly.

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