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Oil Catch Can (oil/air Separator) For Rb30dett In R32 Gtr

dorifticon

By dorifticon,
in Engines & Forced Induction

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dorifticon Community Regular

dorifticon

Posted
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Hi all

Just wondering what people have done about installing a catch-can in an r32 GTR with an rb30dett. I had an autech-style one (big tubular one) sitting above the cam covers but with the rb30 in there, there is no chance of getting the bonnet shut.

I am on a low-boost run-in tune at the moment so hooked up the factory style setup but would need to sort something out before final tune.

Any recommendations about what you've used/bought/made yourself, and in particular photos, greatly appreciated.

Cheers

Andrew

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BoostdR Mentor

BoostdR

Posted
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Grab yourself a set of Mines cam cover baffles. These will greatly reduce the amount of oil vapour coming out. Then you can keep the standard setup.

I have these, they did nothing....sorry to say. I run the Pro Vent catch can with the return into the dipstick tube. Its a real catch can not just a shiny empty can.

Pro Vent 200

They are cheapest off ebay

mr 32 Grand Master

mr 32

Posted
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I have these, they did nothing....sorry to say. I run the Pro Vent catch can with the return into the dipstick tube. Its a real catch can not just a shiny empty can.

Pro Vent 200

They are cheapest off ebay

looks good

do you have any pictures of it installed?

NYTSKY Grand Master

NYTSKY

Posted
Posted
I have these, they did nothing....sorry to say. I run the Pro Vent catch can with the return into the dipstick tube. Its a real catch can not just a shiny empty can.

Pro Vent 200

They are cheapest off ebay

You must have a fair bit of blow by then.

Myself and a friend of mine put a set of Mines baffles in both of our engines (both making over 400rwkw) and vitually stopped any oil vapor getting to the catch can.

Marko R1 Grand Master

Marko R1

Posted
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i run a border catch can which i got from rhd japan then modified as directed by rob @ rips.

the correct way to run a catch can is to have both cam covers run individual lines to the top of a catch can which should have a filter, then run 2 seperate lines from the catch can (1 at bottom & another at mid point) back to the side of the sump so that it runs back into the sump

bubba Grand Master

bubba

Posted
Posted
i run a border catch can which i got from rhd japan then modified as directed by rob @ rips.

the correct way to run a catch can is to have both cam covers run individual lines to the top of a catch can which should have a filter, then run 2 seperate lines from the catch can (1 at bottom & another at mid point) back to the side of the sump so that it runs back into the sump

Pictures tell a thousand words ;)

The two lines back to the sump.. intake side? above oil level or below? seperate fittings on sump?

BoostdR Mentor

BoostdR

Posted
Posted (edited)
You must have a fair bit of blow by then.

Myself and a friend of mine put a set of Mines baffles in both of our engines (both making over 400rwkw) and vitually stopped any oil vapor getting to the catch can.

Thats what I though, leak down is less than 2% however. I think my issue was more an excess of oil in the head and-or to much Vac return. I am running the 1st breather from the high side of the drivers cam cover now instead of the low side on the passenger cam cover. Same as the Mines R34- dual catch cans (in series) Still returning to the intake. The PCV return has been blocked off. Will post up a pic later if you like.

Closed loop system to keep it 'more legal'

Edited by BoostdR
Scooby Veteran

Scooby

Posted
Posted
sorry bubba - 2 lines run from the side of the catch can back to 2 fittings in the side of the sump, at the highest pt of the sump

Hey Marko how's things?

2 lines back to the sump? that's a lot of drainback. almost sounds like its one line from the sump to let it breath (the one that goes in mid point) and the other is a return line.

Marko R1 Grand Master

Marko R1

Posted
Posted
Hey Marko how's things?

2 lines back to the sump? that's a lot of drainback. almost sounds like its one line from the sump to let it breath (the one that goes in mid point) and the other is a return line.

that is exactly right mark :blink:

bubba Grand Master

bubba

Posted
Posted
Hey Marko how's things?

2 lines back to the sump? that's a lot of drainback. almost sounds like its one line from the sump to let it breath (the one that goes in mid point) and the other is a return line.

That's how I understood it too..

My head already has the vent on the back so I will be going 3 hoses to the top of the can (2 cam covers and the vent from the back of the head) then I'll do it how Markos is, vent sump to midway up the can and drain from the bottom.

Marko R1 Grand Master

Marko R1

Posted
Posted
That's how I understood it too..

My head already has the vent on the back so I will be going 3 hoses to the top of the can (2 cam covers and the vent from the back of the head) then I'll do it how Markos is, vent sump to midway up the can and drain from the bottom.

that would work

BoostdR Mentor

BoostdR

Posted
Posted
That looks just like the NISMO oil air kit which plumbs into the rear turbo oil line and looks pretty neat aswel I might add

The nismo Doesn't work on an RB30 block...with the turbo bolt-on return anyway. Def the go on a 26

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