sergeyk

On this picture (top one) where this hose connects to at the back of the engine?
Mine is hanging in the air and some oil come out of it on the track.



My LS1 has LS6 heads and LS6 intake installed by previous owner, but PCV system seems to be original LS1 one.

lucky131969

I do not understand your question. You can see from the pic, the parts required to connect from the left bank, to the right bank. If you are missing parts, then you have an issue.

sergeyk

Where it connect on the left bank (driver side)? I have complete hose as pictured, but it isn't connected to anything on the driver side. So my question is where it suppose to connect to?

ZeeOSix

There should be a fitting/hole at the rear of the driver's side valve cover where the hose/fitting connects to. That hose routes crankcase vapors from the driver's side valve cover. The other part of the hose assy connects to the passenger's side valve cover. Vapors are sucked out of both valve covers and routed through the PCV and then into the intake manifold.

sergeyk

Thanks - is it on top of the valve cover or actually on the back of it?
Note, that my LS1 has LS6 heads and LS6 intake.
Is it possible to reach without taking intake off?
It's really hard to see with engine inside the car.
Does somebody has a picture of it?

BlueTeamZ06

You might have an LS6 PCV system which pulls from the valley cover, not the valve covers. Put some pics up. It's really hard to know what you're talking about without a picture.

sergeyk

I thought about it too, but right passenger side of the PCV system is LS1 style and collects air from covers, not valley. It's exactly like on the original pic, that is for 97-00 LS1 PCV system.

sergeyk

Is this a point where it connects on driver side?

Bill Curlee

The picture above acurately depicts what you meed to do to reconnect up the 97 PCV system.

The 2001+ system is better and actually much simpler.

Here are pictures of the valley cover with the nipple for the 2001+ system:





OEM black nylon tube and PCV connector connected to the manifold

BlueTeamZ06

That looks like an LS6. Vents off the valley. Are the later LS1 cars also like this? I dunno.

I'm in the middle of working on my LS6 PCV system so kind of interested in how to fix this.

One thing to consider for the original poster- run the whole thing to a catch can.

Bill Curlee

YES, this is a picture of my 02 ZO6 engine stripped down.

I believe that you still have the system that connects to the rear of the engine.

sergeyk

My valley pan is from 1997, so I don't have that nipple.
BlueTeamZ06 - yes, OCC is installed, but because other side is disconnected, oil gets on exhaust manifold...

BlueTeamZ06

OK so either run a line from the other side that is now open to another catch can, run the line to drip on the ground or run it to a T with the line that runs to the catch can. Dripping on the exhaust manifold is no good and possibly dangerous.

sergeyk

Yep, I caught small fire on my Audi S4 2 years ago on the track because oil was dripping on exhaust manifold.....

ZeeOSix

Look at Appendix A of the Elite Engineering catch can installation instructions. It shows the various configurations of the C5 PCV system.

http://eliteengineeringusa.com/Insta...uctions_CC.pdf

sergeyk

Yes, mine is 97-00, what I need to know is where exactly it connects to driver side!

ZeeOSix

Like I said before ... there's got to be a fitting or nipple of some kind on the back end of the driver's side valve cover, similar to your photo in Post #8. Open the hood and take a look for it.

lionelhutz

Stock, the car would have had perimeter bolt valve covers. There is a nipple facing straight up out of the valve cover. It's under the cowl. Scrowl down to the last pic in this for sale post to see what was stock. The top cover is the drivers side cover and the black part goes to the back of the engine. The black part has the nipple for the PCV.

http://ls1tech.com/forums/parts-clas...arts-sale.html


You have newer heads so you must now have center bolt valve covers. They might not have the fitting for that PCV hose to connect if they came from a valley vented engine. Here's a pic of the newer style covers showing the nipple you'd need on the right cover in the pic at the top.

http://www.tickperformance.com/1999-...8-ls1-engines/

If yours is plugged in that location then you need to figure out how to change to a nipple or change the hoses. It might be possible to remove the T in the hoses and just connect the right cover only to the PCV line.

McAllister513

Go to your local dealer and pick up these to part numbers! This is he updated pan & the plug. Best mod I have done yet and it cleans up a lot. No PCV need or anything just bolt it down and get a rubber hose from pan to intake!

Part #s
12568011 Plug
12577927 Valley Pan

lionelhutz

Huh, there needs to be a PCV valve installed. You can't just have the open hose connected from the engine to the intake.