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sjf911 sjf911 is offline
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Join Date: Dec 2006
Location: Idaho
Posts: 5,623
Garage
I know the OEM drip tank had a vent but most aftermarket applications I have seen do not. If the vent is too low, it may be below the oil level in the engine case at times. I have run my turbo oil drain direct to sump, electric scavenge to chain box, and now cam driven mechanical scavenge pump to breather cover all without venting and so far no issues.
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Steve
Sapere aude
1983 3.4L 911SC turbo. Sold
Old 04-11-2013, 11:54 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #92 (permalink)