Pcv valve on a turbo m20

[Kozworth]

So just to clear things up, I am keeping the pcv tube on the drivers side of the engine correct? It goes from the block to the intake manifold, and spring loaded.

When people put a catch can, they are really just changing the upper pcv hose? So from the valve cover just run to a catch can instead of running the oem hose? And then just plug the port on the throttle body?

[ak-]

Just for some reinforcement, I'll say it too.
Do not do the OEM setup. It will pressurize the crankcase and blow every seal you can think of :p
Run atmosphere for laziness and smellyness.
Run pre-turbo to pull vacuum.

Put a can if running pre-turbo.
Every month and a half of driving, I literally pour out only as much as those Scope Mouthwash caps/cups can hold. It's nothing. I don't even know why I check every month.

[einstein57]

People dump to atmosphere cause they are lazy. Self included.

[travish325]

Definitely not oem you will be boosting your crank case. Not good.

Dump it or run a filter and put it pre turbo.

[Northern]

Plenty of good info here:http://www.e30tech.com/forum/showthread.php?t=109331

cliffs: dump it to atmosphere, or run it pre-turbo with a decent filter/catch can.

Anything but the oem setup.

[Kozworth]

Is this really necessary to reroute or can I keep the oem setup?

[Northern]

Oem setup will not pull vacuum on the crankcase once turboed, neither will a catchcan with a filter. If you route it to your turbo intake, it will still pull vacuum. There are other ways to do it, but this is the easiest.

[Kozworth]

I am assembling my e bottom i head, and I read somewhere that most guys recommend venting the pcv for turbo cars. Me honestly, would rather not have to check up on a catch can and that nonsense. However the argument seemed pointless, it was something along the lines of:

"instead of having the oil and blowby go to the intake and possibly out through the turbo again, they recommended venting to atmostphere to not contaminate the turbo"

I am really wondering how bad it would really even be to just reuse the oil since its not really getting that much dirtier, it was just in the crankcase. I just cleaned up the pcv nicely and would rather have less things to worry about.

What do you guys recommend? Oem setup or catchcan?