Venturi vacuum pump

[iceminion]

If your PCV valve is failing, The KV product is a great band-aid fix!
- and - or -
If you have (INTENTIONALLY BROKEN)modified your intake system from stock so that you have a breather on your valve cover(allowing unmetered air into your engine), the second KV will aid in restoring your idle.

Please, maybe I am over-reacting a little bit, but what you are suggesting is in no way related to what I am talking about, it is severly off-topic and your non-factual comments are cluttering up the thread.