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Catch Can Installation

ICER33

By ICER33,
in Engines & Forced Induction

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gt-t_r34 Mentor

gt-t_r34

Posted
Posted (edited)

i didnt think you needed the filter on there for the plumb back just the atmo? and no that doesnt look like the plumb back to me.

more like the one sydneykid shows.

ill take a pic off mine and post it up tomorow.

Edited by gt-t_r34
gawdzilla Contributor

gawdzilla

Posted
Posted (edited)
omg no, that is wrong.

You DO NOT need to plumb your catch can tank to the induction of your turbo. Block that one up...

how come that is wrong? i can't tell from the pics, but is the pcv side capped?

why is it bad to pull the air through your catch can to the induction of the turbo? the catch can in theory will catch all the oil under boost, which is what you want, no?

the setup looks ok to me..

EDIT: nevermind, just looked at the 2nd pic and noticed your catch can is open to the atmosphere. thats not gonna work cuz your turbo will suck in extra unmetered air through that breather filter. take the hose going back to your turbo inlet and put it on the other valve cover. then cap the turbo side and the pcv side.

Edited by gawdzilla
Sydneykid Grand Master

Sydneykid

Posted
Posted

It is certainly at least a 50% plumb back design. It could be a 100% plumb back design, but I can't see RHS cam cover to tell what is going on on that side.

The filter on the catch can is of course redundant in a 50% plumb back application.

:D cheers :cheers:

r33_racer Grand Master

r33_racer

Posted
Posted

legally your supposed to have it plumbed back into your intake...however who abides the road laws anyway. Just go from both covers to the can and block off to your intake and the top release which you are using atm.

BHDave Grand Master

BHDave

Posted
Posted (edited)

You probably want to remove the kink in the return to the intake before you block the filter off though.

When the pcv shuts under boost all the vapour will be pushed/sucked out by the one hose anyway, it's pointless running a hose from each rocker.

I'd maintain the current setup and be blocking the filter for a few of reasons, 1 it's an obvious defect, 2 i don't particularly like the smell of oil vapour, 3 if you maintain the line to the inlet then the filter is redundant.

Edited by BHDave

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