simple question, simple answer?
03-11-2004, 04:58 AM
#1
Thread Starter
Join Date: Mar 2004
Posts: 16
simple question, simple answer?
I'm learning slowly but surely how to take care of my mustang...and i'm not too great at the whole mechanic thing YET...however i do have a question. what's the difference between a closed system breather cap and an open system breather cap? any answers would be appreciated. thanks...
03-13-2004, 07:05 PM
#2
2nd Gear Member
Join Date: Nov 2003
Location: Connecticut,United States
Posts: 303
RE: simple question, simple answer?
Open system caps "breathe to the atmosphere via a "screen" type filter in the cap. Closed system breathes through a hose into either the PCV system or the air cleaner to prevent less blow-by gasses.
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