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Old 07-28-2013, 10:41 AM   #4
willhe64

 
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Drives: 2012 45th Vert, 2011 4x4, 9sec Vega
Join Date: Mar 2012
Location: Canada
Posts: 2,188
You've got it backwards, again. The breathers one way valve only lets crankcase gases out, not in. So that when you are making too much pressure for the pcv to handle it blows off through the breather and doesn't blow out your engines seals.

The reason they say track days only is because according to the epa, you cannot evacuate any crank case gases to the outside.
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