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07-23-2016, 08:34 PM
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#5 |
  Drives: 2007 yaris 3 door Join Date: Sep 2015
Location: Denver, Colorado
Posts: 1,000
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i'm pretty sure these filters just leave your crankcase unpressurized. (?) I don't see an advantage except the crank vapors do not get vented to the intake system. I would think you'd want the crankcase to remain pressurized during high acceleration to reduce piston blow-by, and this is the reason I would not use one of these...
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