Which way does this thing go?

[BARRACUDA1968]

I pulled out my PCV valve and checked it the other day. This thing was in line. I never had a leak at the PCV valve until I put it all back together and I might have put this in backwards.

 

[Squid4life]

I want to say the valve part (2nd pic) goes down towards the vac block. You might put vacuum to it and check though. That looks to be an RJC check valve.

 

[BARRACUDA1968]

Ok so put pic number 2 side toward the PCV valve?

 

[Squid4life]

No, pic #2 should go above the pcv valve, in between it and the vac block. This is going off memory, so put some vac to the valve or suck on it and verify which way it goes.

 

[BARRACUDA1968]

Ok Thanks! I also have a PCV catch can. Do I need this check valve if I have the catch can?

 

[Squid4life]

Doubt you need it with a catch can. The one check valve I had which looks identical to yours took a ton of vac to open! I got rid of it. Got pics of your can setup?

 

[BARRACUDA1968]

Here is a link to some pictures. Go to pic #17 and click on it until it magnifies. The picture is huge so you should be able to see it in detail.

http://s31.photobucket.com/user/sg333e/library/87 GN for sale?sort=4&page=1

 

[1KWIKSIX]

That is most definitely an inline check valve that was once sold by Kirbans..he does not offers these any longer.

http://www.kirbanperformance.com/product/133/PCV IN-LINE CHECK VALVE #6769.html

If you're running a catch can, you will need this installed between the catch can and the plenum to prevent pressurizing the can during boost.

Here's some info on it.

http://www.accmachtech.com/PCVCatchCanInstallationInstructions.pdf

&


http://www.dsmtuners.com/forums/articles-engine-fuel/366890-4g63t-pcv-system.html

 

[BARRACUDA1968]

Thanks for the diagram. The PO had it installed on the "IN" line not the "OUT" line. I'll get it back on the car today.

 

[BARRACUDA1968]

I put it back on today like described above. I used to smell oil when driving the car which i've posted in another thread. Now I don't smell any oil?

I had the car on the hoist this morning and found some oil at the back of the passenger valve cover. It's been dripping down on the exhaust. I can't say if it's the valve cover gasket or the breather leaking in the front of the valve cover and the oil is running back on the valve cover.

Since I couldn't smell any oil today I gota wonder if the check valve is doing something to change my problem?

I'm new to forced induction so I don't know all the side effects of a PVC valve system.