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Old Jan 6, 2005 | 09:34 AM
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Blown347Hatch's Avatar
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Oil in intake elimination question.......

If I install the breathers on each valve cover, how much blow-by are you guys seeing as a result of having no PCV?

In years past, when I have done this, there has always been SOME blow-by, which varies engine-to-engine, and wear and other factors as well, but I just don't want that smell permeating the truck.

Thanks.
 
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Old Jan 6, 2005 | 10:01 AM
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I've seen a lot of concern about the PCV system on these engines, mainly over oil intrusion into the intake system. Has anyone tried using breathers, eliminating the PCV system, and using a vaccum pump to eliminate crankcase pressure? Seems like it might be a good alternative.
 
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Old Jan 6, 2005 | 10:15 AM
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Originally posted by fullboogie
I've seen a lot of concern about the PCV system on these engines, mainly over oil intrusion into the intake system. Has anyone tried using breathers, eliminating the PCV system, and using a vaccum pump to eliminate crankcase pressure? Seems like it might be a good alternative.
That was exactly the set-up I was referring to in my post.

I want to know what people are experiencing regarding blow-by.
 
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Old Jan 6, 2005 | 10:26 AM
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I've heard some guys are seeing considerable spray. Really it would depend alot on how a guy drives, oil temps, and types of oil (to a small degree).

IMO.. a daily driver should not be using breathers. But on a toy truck / racer I'd think it to be ok.

(stock setup w/a seperator on mine)

Rich
 
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Old Jan 6, 2005 | 10:33 AM
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Thanks Rich. I always welcome and respect your input.
 
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Old Jan 6, 2005 | 10:40 AM
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On my buddy's 9-second Cuda, he uses an old air pump from a Caddy that was originally for the air ride suspension. He reversed the polarity of the wires and turned it into a crankcase vacuum pump. Cheap, and it works.
 
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Old Jan 6, 2005 | 10:46 AM
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Originally posted by fullboogie
On my buddy's 9-second Cuda, he uses an old air pump from a Caddy that was originally for the air ride suspension. He reversed the polarity of the wires and turned it into a crankcase vacuum pump. Cheap, and it works.
I have a vacuum pump on the Mustang. I would like to stay on the actual question of blow-by mist and odor if breathers are used. Thanks.
 
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Old Jan 6, 2005 | 11:43 AM
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For a daily driver, what is the best location for the seperator and which seperator is recommended?

Has anybody done a write up on this?

Thanks

TB
 
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Old Jan 6, 2005 | 11:54 AM
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No problem,

A guy could always put a foam sleeve over the out side and clean it every once in a while.


Even though my truck now is pretty much parked I'm choosing to stick with the stock setup and seperator. Mostly because I want to have the ability to drive it anywhere anytime.
 
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Old Jan 6, 2005 | 12:33 PM
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rich, i have the same seperator you do but i recently changed my plenum and found oil in there.. so is it doing you any good?
 
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