Vent-to-Atmosphere... Engine dying? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Efferalgan · 04-10-2016, 01:40 PM

Had a serious oil-in-intake problem:

http://www.ft86club.com/forums/showthread.php?t=98687

Replaced Crawford AOS with RevWorks vent-to-atmosphere catch can and it shows the following at idle:

Is that real or my engine is dying? Piston rings? What else could it be?

P.S. How to embed a video on this forum?

armyoffoo · 04-10-2016, 01:49 PM

I thought vent to atmosphere was really only for turbo applications, NA should be closed.

Efferalgan · 04-10-2016, 01:53 PM

Quote:

Originally Posted by armyoffoo

I thought vent to atmosphere was really only for turbo applications, NA should be closed.

Sure. I've got HKS SC at 0.75 bar peak boost.

armyoffoo · 04-10-2016, 01:59 PM

Guess it would help it I read the thread...my bad. Since your HKS boosts before the TB, it should be fine to have a vent to atmosphere model. It doesn't sound like it's idling rough, maybe it's doing that because the catch can is new?

wbradley · 04-10-2016, 04:15 PM

Did you block off the inlet where the PCV normally vents into the intake manifold?

Efferalgan · 04-10-2016, 07:34 PM

Quote:

Originally Posted by wbradley

Did you block off the inlet where the PCV normally vents into the intake manifold?

Of course. Blocked with a plug and clamped. Otherwise I would leak boost.

Calum · 04-10-2016, 08:47 PM

Time for a leak down test.

You have my condolences.

Ashikabi · 04-11-2016, 09:35 AM

Seems unlikely it's from the catch can. I suspect an unfortunate coincidence instead

Efferalgan · 04-11-2016, 11:37 AM

Quote:

Originally Posted by Ashikabi

Seems unlikely it's from the catch can. I suspect an unfortunate coincidence instead

Not sure I got your point

Ashikabi · 04-11-2016, 11:41 AM

Quote:

Originally Posted by Efferalgan

Not sure I got your point

I think you have other problems. I doubt believe the catch can is causing your issue

mrk1 · 04-11-2016, 12:52 PM

Do a compression and then leak down test.

Spartarus · 04-11-2016, 01:24 PM

Is that cold idle or warm?

It matters.

Is your exhaust smoking as well?

This also matters.

Efferalgan · 04-11-2016, 04:38 PM

Quote:

Originally Posted by Ashikabi

I think you have other problems. I doubt believe the catch can is causing your issue

Sure, I didn't mean that the catch can is causing the problem. It just demonstrates it quite clearly.

Quote:

Originally Posted by Spartarus

Is that cold idle or warm?

It matters.

Is your exhaust smoking as well?

This also matters.

Always. Not only at idle of course. After "spirited driving" it may look like there is fire under the hood. Not sure about exhaust but it doesn't smell burnt oil.

Calum · 04-11-2016, 05:40 PM

Quote:

Originally Posted by Efferalgan

Sure, I didn't mean that the catch can is causing the problem. It just demonstrates it quite clearly.

Always. Not only at idle of course. After "spirited driving" it may look like there is fire under the hood. Not sure about exhaust but it doesn't smell burnt oil.

Does your oil look like milk, and smell like the women's bathroom of a popular bar after a Friday night?

04-10-2016, 01:40 PM	#1
Efferalgan Senior Member Join Date: Sep 2012 Drives: 2025 BRZ, ex-2012 GT86 Location: Dubai Posts: 466 Thanks: 422 Thanked 234 Times in 139 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	Vent-to-Atmosphere... Engine dying? Had a serious oil-in-intake problem: http://www.ft86club.com/forums/showthread.php?t=98687 Replaced Crawford AOS with RevWorks vent-to-atmosphere catch can and it shows the following at idle: Is that real or my engine is dying? Piston rings? What else could it be? P.S. How to embed a video on this forum? Last edited by Efferalgan; 04-10-2016 at 01:57 PM.

04-11-2016, 12:52 PM	#11
mrk1 Senior Member Join Date: Mar 2013 Drives: Sterling BRZ Ltd Location: New England Posts: 1,702 Thanks: 403 Thanked 1,389 Times in 671 Posts Mentioned: 21 Post(s) Tagged: 2 Thread(s)	Do a compression and then leak down test. __________________ The Build Thread GT28RS - eBoost2 - 3.91 Final Drive - Supra LSD

04-11-2016, 01:24 PM	#12
Spartarus ...Just add nauseum Join Date: Jan 2015 Drives: 2003 (AP1) S2000 Location: Miami, FL Posts: 546 Thanks: 310 Thanked 785 Times in 335 Posts Mentioned: 19 Post(s) Tagged: 1 Thread(s)	Is that cold idle or warm? It matters. Is your exhaust smoking as well? This also matters. __________________ There are many ways to displace. -Spartarus

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04-10-2016, 01:49 PM	#2
armyoffoo Senior Member Join Date: Jun 2015 Drives: 2015 Scion FR-S Location: Houston Posts: 122 Thanks: 8 Thanked 7 Times in 6 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I thought vent to atmosphere was really only for turbo applications, NA should be closed.

04-10-2016, 01:59 PM	#4
armyoffoo Senior Member Join Date: Jun 2015 Drives: 2015 Scion FR-S Location: Houston Posts: 122 Thanks: 8 Thanked 7 Times in 6 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Guess it would help it I read the thread...my bad. Since your HKS boosts before the TB, it should be fine to have a vent to atmosphere model. It doesn't sound like it's idling rough, maybe it's doing that because the catch can is new?

04-10-2016, 08:47 PM	#7
Calum That Guy Join Date: Dec 2011 Drives: 2013 asphalt FRS MT Location: Halifax, Nova Scotia Posts: 4,865 Thanks: 5,058 Thanked 2,868 Times in 1,499 Posts Mentioned: 82 Post(s) Tagged: 1 Thread(s)	Time for a leak down test. You have my condolences.

04-11-2016, 09:35 AM	#8
Ashikabi Senior Member Join Date: Aug 2014 Drives: 2013 FR-S Location: Northwest Iowa Posts: 7,359 Thanks: 454 Thanked 4,549 Times in 2,950 Posts Mentioned: 59 Post(s) Tagged: 5 Thread(s)	Seems unlikely it's from the catch can. I suspect an unfortunate coincidence instead

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