Fitting an oil catch tank to 3SGE BEAMS Options

[Ronan]

I was looking at how an oil catch tank would fit in my car today as i have one on the way to stop all the oily crap from the breathers going back into the intake, and i got a bit lost because ive two breathers.

Do i remove and fit the catch tank to the yellow breather or green breather?



Or would i blank off both intake ends and fit the catch tank to both breathers on the engine?

Ignore the blue circle, i was missing a bracket but i found it in the boot

This post has been edited by Ronan: Feb 1, 2009 - 8:38 AM

[MaskedMan]

Actually, wait! I'm stupid. I want to change parties and agree with stephen lee on this

edit: Ok, after rethinking it, I retract my previous picture because of the following reasons.

Before, I was comparing it to the 3rd gen 3sgte, and how it has it's oil catch tank installed. So that's how I drew the picture. The difference is that the 3sgte is a FI engine, so the intake manifold pressure will be greater than atmospheric pressure under boost. This would cause air from the intake manifold to be forced into the crankcase, and out the other line that leads from the valve cover, to the intake before the throttle body. So in that case, crankcase pressure and oil will be coming out of the "yellow" hose. I've never installed an oil catch can in an N/A car, which is why I never 2nd guessed this before. But using the GREEN hose from the valve cover to the intake manifold on this 3sge beams makes the most sense to me now, since it will constantly be pulling in vacuum from the valve cover, so this is where most of your oil would be coming from. The way I drew it up above would work too, and nether way would throw any sort of code, but the way I drew it below will be your best option. Sorry, it's been a really long rainy day. I apologize for the confusion earlier, but here is the new picture I just drew.



This post has been edited by MaskedMan: Feb 19, 2011 - 3:43 AM