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> Plan to decrease Crankcase Pressure, Pics included
post Dec 3, 2004 - 1:45 AM
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erics1one



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Well I think oil is being pushed out my turbo seals due to postive crankcase pressure, and I need to find a way to decrease the pressure. Theres a few different ways to go about doing this.


PCV Valve -> Turbo Intake AND/OR
PCV Valve -> Intake Pipe (my IC)

Currenty my PCV valve has a breather:
user posted image

You can see the PCV Valve -> Turbo Intake setup here, which can be found on the stock 3sgte:
user posted image
user posted image

Some tap their PCV to their intake. The Injen Intake kit comes with a tap already in the pipe:
user posted image
user posted image

So I've been trying to decide what setup would be best with the equipment I have (5SFTE). Been talking to 'Byron' from mr2oc.com, he's knows his stuff when it comes to PCV stuff. I've been leaning towards hooking both intakes up. Was told here:
http://www.mr2oc.com/showthread.php?t=71237
...that the small hose from valve to intake would decrease pressure during idle, while the larger hose from valve to turbo would decrease pressure during boost. Since I have a turbo, should I just connect the large hose to the turbo? Just connect a small hose to the intake? Split the PCV valve in two, running to both the Intake, and Turbo?

user posted image

A: 5/8' hose to turbo
B: smaller hose to intake
C: one way valve

This post has been edited by erics1one: Dec 8, 2004 - 8:12 PM


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post Dec 3, 2004 - 8:58 AM
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erics1one



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QUOTE(Fox-N-It2 @ Dec 3, 2004 - 6:53 AM)
You sure you dont need a bigger restrictor in you oil  line to the turbo to ease the pressure?  Your breather should be doing enough the way it is.
[right][snapback]216207[/snapback][/right]


I would actually feel more comfortable creating more of a vacuum on the PCV, then to restrict the oil feed going into the turbo.

This post has been edited by erics1one: Dec 3, 2004 - 9:16 AM


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Posts in this topic
- erics1one   Plan to decrease Crankcase Pressure   Dec 3, 2004 - 1:45 AM
- - Fox-N-It2   You sure you dont need a bigger restrictor in you ...   Dec 3, 2004 - 8:53 AM
- - Hanyo   wont you notice boost leak if you take into your p...   Dec 3, 2004 - 8:55 AM
|- - erics1one   QUOTE(Hanyo @ Dec 3, 2004 - 6:55 AM)wont you ...   Dec 3, 2004 - 9:00 AM
- - erics1one   QUOTE(Fox-N-It2 @ Dec 3, 2004 - 6:5...   Dec 3, 2004 - 8:58 AM
- - presure2   what you wanna do is route that back to your intak...   Dec 3, 2004 - 9:10 AM
|- - erics1one   QUOTE(presure2 @ Dec 3, 2004 - 7:10 AM)what y...   Dec 3, 2004 - 7:59 PM
- - Supersprynt   I have a breather on mine and its getting pretty g...   Dec 3, 2004 - 10:55 AM
|- - erics1one   QUOTE(Supersprynt @ Dec 3, 2004 - 8:55 AM)I h...   Dec 3, 2004 - 10:58 AM
- - presure2   it should go from your pcv valve to the catch can ...   Dec 3, 2004 - 12:54 PM
- - lagos   or you can hook it right up to the intake piping, ...   Dec 3, 2004 - 1:05 PM
|- - erics1one   QUOTE(lagos @ Dec 3, 2004 - 11:05 AM)connecti...   Dec 3, 2004 - 1:26 PM
- - Supersprynt   QUOTE(lagos @ Dec 3, 2004 - 1:05 PM)or you ca...   Dec 3, 2004 - 2:26 PM
- - lagos   QUOTE(Supersprynt @ Dec 3, 2004 - 2:26 PM)QUO...   Dec 3, 2004 - 9:39 PM
- - Supersprynt   Well yeah thats why im saying its not harmful, jus...   Dec 3, 2004 - 11:55 PM
- - erics1one   Okay, so I ran the hose from my PCV valve to my tu...   Dec 8, 2004 - 8:09 PM
- - JGS3SGE   If your on the stock turbo with stock lines (assum...   Dec 8, 2004 - 10:15 PM
- - erics1one   Well heres the shot of my new line ran ...but, l...   Dec 11, 2004 - 9:15 PM
- - presure2   hehe we keep bouncing back and forth between forum...   Dec 12, 2004 - 12:22 AM
- - zipstrips   the PCV works off vacuum... if you place that 2nd ...   Dec 12, 2004 - 2:22 PM
- - erics1one   Well, found quite a few more bays with the hose go...   Dec 12, 2004 - 3:20 PM
- - presure2   but dude, what your forgeting is those pics are NO...   Dec 12, 2004 - 4:25 PM
- - erics1one   Well heres the update. Its brought the steady str...   Jan 8, 2005 - 9:31 PM


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