Single turbo 1JZ's. PVC set up? What are YOU running?

[87M-GTE]

I've seen alot of pics/vids of single turbo 1Js and they almost all have that exh. side valve cover vent open to atmosphere.

It is either that ^^^ or a line to the pre-turbo intake pipe.

I was considering the second method.


What are you guys running and what do you have to say about it?

Thanks,
Sam

 

[destrux]

The first way is not emissions compliant, the second way is (in most states). The first way will keep oil vapors out of the intake pipes and turbo (but might spew them out wherever you vent them to), the second way won't (unless you have a catch can with an oil separator in the line).

Either way works fine.

That's not the whole PCV system though, that's only the crankcase breather tube part of it. The PCV tube is on the intake valve cover. You can leave that alone (other than swapping to a 2JZ PCV valve and hose if you have an early 1JZ with the recalled PCV valve), or you can run an oil separator catch can inline to keep oil vapors out of the intake.

I'm running stock twins on my car, but the type of turbo the car has is no concern to the PCV system. It operates the same irregardless of the turbo.

I'm running the breather tube to a Jaz mini breather can modded for a 5/8" hose inlet. The PCV side is stock.

 

[87M-GTE]

Thanks for the reply.

I meant to point out just the breather side (turbo side)

Emissions are no concern. It just seems like alot of people are running with the breather open to atmosphere..

Anyone else care to chim in?

 

[hvyman]

Im just going to run a filter on the pass side and leave the driver side hooked up the the manifold. Should be enough. Hopefully. Just want as few of lines as possible.

If the filter get covered in oil quickly ill just weld a an fitting on both the intake pipe and valve cover do it the other way.

 

[hvyman]

Im just going to run a filter on the pass side and leave the driver side hooked up the the manifold. Should be enough. Hopefully. Just want as few of lines as possible.

If the filter get covered in oil quickly ill just weld a an fitting on both the intake pipe and valve cover do it the other way.

 

[Dylan JZ]

My plan is to use the second method with the same catch-can I have hooked up to my twins.

 

[hvyman]

^That would be the correct way.

Im going for simplicity tho or else id do that.