VWvortex Forums_ DIY- Oil Breather _ Catch Can

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VWvortex Forums 16v Engine Forum DIY- Oil Breather / Catch Can

Slytle Member

Offline Member Since 4-27-2002 865 posts american fork ut 1987 GTI 16V

DIY- Oil Breather / Catch Can « » 5:46 AM 1-8-2007

Cost me $20.00 total.

Start with a $5.00 stainless steel liguid soap dispenser from Walmart.

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Throw away the top.



Get a small breather filter ($9.00 at Autozone).



Some brass barb fittings, hose clamps, rubber grommets, and a short length of hose.

Drill a hole in the bottom of the reservoir:



Insert grommet into hole.



insert grommet into the hole on the filter.



Insert barb coupler into grommet:



Attach filter to reservoir.



Next insert barb fitting into the short length of hose



Attach fitting with hose to the end of the reservoir>



Add hose clamps. Voila. You now have a beautiful stainless steel oil breather/catch can.



golf198v3.0 Member

Offline

» « » 6:08 AM 1-8-2007



http://forums.vwvortex.com/zerothread?id=3014076&postid=34921672#34921672





Member Since 10-5-2006 2617 posts ,Colonie NY + 5369 posts .. Mk2 16vg60 (shell in limbo) , 86 jetta , 92 X-flow

eh. itll just run back down the line if thats bottom fed...

Help Send a mate to Vki : Paypal Donations: [email protected] OSD#16 - Too Legit to Quit. Member Since : 4-28-2003 / AIM: Mk2dubber/ Email - [email protected] Euro Plates? Get ahold of Mat @ http://www.theplateman.com

Slytle Member


Re: (golf198v3.0) » « » 1:09 PM 1-8-2007

Thats the idea

Greengt1 Member

Online Member Since 8-27-2006 667 posts Dolton IL 92 Golf GTI 16V Turbo, 88 Jetta Coupe (SC In The Making) 97 A8

Re: (Slytle) » « » 1:45 PM 1-8-2007

You're a life saver...............Just when I needed it!!!!

1992 Montana Green 16VT .................. Being ripped apart....Out with the old...in with the new!

OBD2 8v ATP turbo Kit for sale http://forums.vwvortex.com/zerothread?id=3044601

Need All Data? Drop me a line.......AIM: Jetroninc2

mant Member

Re: DIY- Oil Breather / Catch Can (Slytle) » « » 3:46 PM 1-8-2007




http://www.theplateman.com/















http://forums.vwvortex.com/zerothread?id=3044601







Offline Member Since 12-3-2005 237 posts seattle wa 91 gti 8v

this is the kind of isht i like to see. for diy ingenuity

step 1: buy a bentley step 2: use search

sickdubyo Member Offline Member Since 8-26-2006 7 posts little mexico ca 87 gti 16v

Re: DIY- Oil Breather / Catch Can (mant) » « » 1:56 AM 1-9-2007

what happens to the condensation that collects in the breather while the car is sitting?

Slytle Member


Re: DIY- Oil Breather / Catch Can (sickdubyo) » « » 2:07 AM 1-9-2007

Quote, originally posted by sickdubyo »what happens to the condensation that collects in the breather while the car is sitting?

Well, to be honest, probably the same thing that happens in the stock system. I mean, mine functions just like the stock breather hose, except that it doesnt vent into the intake. When its all done, it drains back into the block. Conde

I could attach the hose on the side and make it collect all of the oil, but my main reason for making this thing was to keep the oil in the engine. I had the breather running open and I was losing a quart every two weeks. With the new setup, the oil level doesnt even move.

X K R O M X Member

Offline

























Member Since 1-19-2006 1140 posts Long beach ca Junkers JU-87 Stuka.

You are going to run into oil collection issues with the way this is set up,the oil and water vapor will collect in the hose leading to your "Can" you need to drill and tap the inlet to the can near the top and put a pet **** valve @ the bottom where you have the male to make barbed nipple then it should work better.

Come on seth use yer brain............ Modified by X K R O M X at 10:33 AM 1-9-2007

So you want to make more power? You will need a good cylinder head...It so happens I do head work and have access to a Super-flow model 1020,for proven result's!.Please feel free to PM me for your needs.

Freerevving Member

Offline Member Since 9-29-2003 5103 posts Dickinson Texas Fast Scirocco

Re: DIY- Oil Breather / Catch Can (X K R O M X) » « » 2:08 PM 1-9-2007

yeah I was thinking the same thing but without the pcv: larger hose tapped into the middle (angled down for good measure), and smaller drain hose at the bottom... pcv valve is a good idea though, it ought to suck the oil down like a vacuum

____RR_____ Laboratories

Macatronics

Slytle Member


Re: DIY- Oil Breather / Catch Can (X K R O M X) » « » 3:43 AM 1-10-2007

Ive got the can mounted up high and the hose runs straight and downhill toward the block outlet. No issues with oil pooling in the hose. It works just as I intended. I contemplated making it a side inlet with the bottom outlet being the oil return, but my current method works just as well. Simplicity is the key. And like I said, it works great. Modified by Slytle at 8:45 AM 1-10-2007

weeblebiker Member Offline Member Since 4-2-2003 2228 posts

Re: DIY- Oil Breather / Catch Can (Slytle) » « » 7:06 AM 1-10-2007
























Richmond IN '87 rocco 2L 16v dual exhaust cams=rips

can ya toss up a pic of the install also?

I'm thinkin we need a sticky thread for all the diy info I'm just finnishing a diy 1.8t fuel rail mod.

provider of the real 16v exhaust cam mod! ask me how (after reading this) http://forums.vwvortex.com/zerothread?id=2508013 http://forums.vwvortex.com/zerothread?id=2773385 $60 shipped with your cam. WTT for MS stuff, fuel rail, injectors, etc

xr4tic Member Offline Member Since 12-10-2001 218 posts Royal Oak MI

» « » 6:06 PM 1-10-2007

You could have saved money by just slapping the filter onto a piece of hose, The canister does nothing. How exactly is it supposed to collect anything? Plus you now have condensation dripping back into your oil.

And when creating the hose to the canister, go as big as possible, a smaller hose will have a higher air velocity, and carry more oil out with it.

I used a JAZ breather tank in my Audi, $40 from Jegs. I don't have to drain it often, but when I do, it's pretty nasty.

John Baas 1997 Audi A4 - ABA 20V T3/T4 1998 Audi A4 Avant - *stock* 1991 Jetta GL - 16V ITB swap in progress http://www.wideopenwest.com/~johnbaas/

Greengt1 Member


Re: (xr4tic) » « » 6:48 PM 1-10-2007

I would think the canister is to releive the system of pressure and let the air out and not blow out oil. The flanges on some of the blocks already have a small hose on them. It also gets very tight for space in fron t of the block..................













http://www.wideopenwest.com/~johnbaas/












Eoin16V Member

Offline Member Since 7-23-2006 425 posts Amherst ma 1991 vw jetta GLI 2.0l 16v

» « » 1:58 AM 1-11-2007


the last post on that thread is a guy using a breather thats part of the oil cap...

Me and my Gli http://i91.photobucket.com/alb...1.jpg

Slytle Member

Re: (xr4tic) » « » 7:13 PM 1-11-2007











http://i91.photobucket.com/albums/k291/Eoin16V/gliEoin1.jpg








Quote, originally posted by xr4tic »And when creating the hose to the canister, go as big as possible, a smaller hose will have a higher air velocity, and carry more oil out with it.

Exactly That is purpose of the canister: to create less air velocity. Consider it an "expansion tank".

If I were to simply slap the filter onto a piece of hose, then I would end up with oil all over the engine bay. And Im not to worried about the condensation.

So many of you people are hellbent on telling me that this isnt going to work. Its really frustrating. I mean, I already installed it and it works PERFECTLY. It has solved all of the problems that it was intended to solve. I no longer have oil in my intake. I no longer have a vacuum leak through the PCV valve. I no longer have excessive oil depletion. The crankcase can breathe just as easily as before and my engine bay stays clean.

X K R O M X Member

Offline Member Since 1-19-2006 1140 posts Long beach ca Junkers JU-87 Stuka.

Re: (Slytle) » « » 7:43 PM 1-11-2007

Quote, originally posted by Slytle »




I just hate mormons and everything they do...


weeblebiker Member Offline Member Since 4-2-2003 2228 posts Richmond IN '87 rocco 2L 16v dual exhaust cams=rips

Re: (Slytle) » « » 9:06 PM 1-11-2007



















Quote, originally posted by Slytle »




I don't care if your engine bay is clean. it doesn't really work I tell you! Don't you know when the 'tex tells you it won't work, it won't work?


Greengt1 Member


Re: (weeblebiker) » « » 9:32 PM 1-11-2007

Quote, originally posted by weeblebiker »I don't care if your engine bay is clean. it doesn't really work I tell you! Don't you know when the 'tex tells you it won't work, it won't work?

I dont see why not.............I ran my car with just a breather. I got almost 1/4 quart of oil in like one high rev!!!! I would think that if the can is there the velocity would massively decrease and the oil would just sit there inside and the air goes outthe breather.............when the crackcase pressure drops enough the oil will bo back down the tube. Is it that if you have too much pressure that you need rings??????




weeblebiker Member Offline Member Since 4-2-2003 2228 posts

Re: (Greengt1) » « » 11:12 PM 1-11-2007


















Richmond IN '87 rocco 2L 16v dual exhaust cams=rips

Quote, originally posted by Greengt1 »

I dont see why not.............I ran my car with just a breather. I got almost 1/4 quart of oil in like one high rev!!!! I would think that if the can is there the velocity would massively decrease and the oil would just sit there inside and the air goes outthe breather.............when the crackcase pressure drops enough the oil will bo back down the tube. Is it that if you have too much pressure that you need rings??????

Oops! sorry you missed the sarcasm about all the arm chair engineers around here that like talk trash about stuff they haven't seen or tried

Beuler? Beuler? beuler?

but yah your right, your blowing by your rings if your blowing oil out your breather. I haven't had any oil in my airbox from the breather tube, but I have new rings and such, I'm gunna run a 90* elbow and breather on that and should be fine. maybe those engineers who say it'll still blow oil need to shut up and rebuild their motors Modified by weeblebiker at 4:16 AM 1-12-2007


xr4tic Member Offline Member Since 12-10-2001 218 posts Royal Oak MI

» « » 1:02 AM 1-12-2007

Ok, Ok, it does do something. It's an expansion chamber. It is, however, not a catch can.

It does not catch oil, oil is free to return to the crankcase, and bring along the water from condensation with it.

But what do I know? I haven't seen or tried anything....














John Baas 1997 Audi A4 - ABA 20V T3/T4 1998 Audi A4 Avant - *stock* 1991 Jetta GL - 16V ITB swap in progress http://www.wideopenwest.com/~johnbaas/

Slytle Member

Offline Member Since 4-27-2002 865 posts american fork ut

Re: (xr4tic) » « » 4:22 AM 1-12-2007


http://www.wideopenwest.com/~johnbaas/







1987 GTI 16V

Quote, originally posted by xr4tic »Ok, Ok, it does do something. It's an expansion chamber. It is, however, not a catch can.

It does not catch oil, oil is free to return to the crankcase, and bring along the water from condensation with it.

But what do I know? I haven't seen or tried anything....

Ok, perhaps I shouldnt call it a catch can... maybe I will call it a "catch and release" can.

Call it what you like.

The fact is... Its an inexpensive solution to a problem that many people may be experiencing, so I thought I would share it. Modified by Slytle at 9:25 AM 1-12-2007

Slytle Member


Re: (X K R O M X) » « » 4:30 AM 1-12-2007

Quote, originally posted by X K R O M X »

I just hate mormons and everything they do...

You better watch your back. One of these days Im going to sneak up behind you and baptize you.

God =

MaDDWrenches Member

Offline Member Since 10-2-2003 112 posts Louisville KY 86 GTi ABA16VT, 86 Gti 2L16V,91 Passat 16v,81 4 dr rabbit

Re: (Slytle) » « » 5:23 AM 1-12-2007

keep up the smart thinking on the cheap side

when the green light drops

the bull**** stops





















sounds like everyone is getting along for once remeber condensation happens inside the crank case anyway, it's open to atmosphere, and that the heat drives the moisture out every time the motor gets up to operating temp. that's one of the reasons all motors operate at around 212*F


X K R O M X Member

Offline Member Since 1-19-2006 1140 posts Long beach ca Junkers JU-87 Stuka.

Re: DIY- Oil Breather / Catch Can (weeblebiker) » « » 12:11 PM 1-12-2007

Quote, originally posted by weeblebiker »sounds like everyone is getting along for once remeber condensation happens inside the crank case anyway, it's open to atmosphere, and that the heat drives the moisture out every time the motor gets up to operating temp. that's one of the reasons all motors operate at around 212*F

my engine never see's temps over 190*......



Re: DIY- Oil Breather / Catch Can (X K R O M X) » « » 12:13 PM 1-12-2007

but it didn't from the factory..... and I'd bet the VW engineers put a tiny tiny bit of thought into spec'ing the thermostat Modified by weeblebiker at 5:16 PM 1-12-2007


MaDDWrenches Member


































Offline Member Since 10-2-2003 112 posts Louisville KY 86 GTi ABA16VT, 86 Gti 2L16V,91 Passat 16v,81 4 dr rabbit

212??? My car stays at 180 in traffic

when the green light drops

the bull**** stops


Re: DIY- Oil Breather / Catch Can (MaDDWrenches) » « » 9:35 AM 1-13-2007

ok let me correct my statement, Engines produced for mass market, designed by Automotive Engineers run hot enough to drive out all the moisture in the block.

I'm in the school of run as hot as you can without worrying about detonation or warping. more heat in the block means less energy pulled from the ignition gasses. but since I know I don't know more than the engineers that designed my motor or other automotive engineers, I'm not gunna run higher temps than they spec'd. also synthetic oil does not suffer thermal breakdown like convnetional oil, so that's not an issue either.

I'd like to know what coolent temps the vw rallye team ran on these motors.

yah and I can make a motor with 20:1 compression and a foil head gasket, bypass the o2 sensor, and rig the fuel pump to run regardles if the

motor is running, doesn't mean they're a good ideas

that's enough thread jacking

I'd still really like to see an installed pick of your oil breather "expansion" tank


Slytle Member

Offline Member Since 4-27-2002 865 posts american fork ut




















1987 GTI 16V

Quote, originally posted by weeblebiker »I'd still really like to see an installed pick of your oil breather "expansion" tank

Its F-R-E-E-Z-I-N-G outside at the moment, but Im sure Ill get a chance to snap a picture sometime this weekend.

Freerevving Member

Offline Member Since 9-29-2003 5103 posts Dickinson Texas Fast Scirocco


Anytime you run high rpm's the crank is going to kick oil out the breather... I think this setup is fine but I totally agree with having separate, different sized tubes... essentially a self-draining catch can

for low-cost ingenuity

____RR_____ Laboratories

Macatronics

antichristonwheels Member Offline Member Since 6-14-2001 2838 posts nashville Tennessee


didn't I see this on Martha Stewart?

From the sweetgrass to the packin house, we are all travlers in this world...

Eoin16V Member

Offline

Re: DIY- Oil Breather / Catch Can (antichristonwheels) » « » 8:22 PM 1-14-2007
























Member Since 7-23-2006 425 posts Amherst ma 1991 vw jetta GLI 2.0l 16v

Quote, originally posted by antichristonwheels »didn't I see this on Martha Stewart?

hahahahah nice one

won't a scraper or a windage tray along with a new 2.0 beetle oil cap help?

Me and my Gli http://i91.photobucket.com/alb...1.jpg

Greengt1 Member


Re: DIY- Oil Breather / Catch Can (Eoin16V) » « » 1:18 PM 1-15-2007

I have a windage tray and still have increadible blow by




Slytle Member


Re: DIY- Oil Breather / Catch Can (Greengt1) » « » 1:25 PM 1-15-2007

Quote, originally posted by Greengt1 »

I have a windage tray and still have increadible blow by

Im considering incorporating a beetle oil cap into this. Pics and Details to come...

mazdakicks88 Member Offline Member Since 5-6-2006





http://i91.photobucket.com/albums/k291/Eoin16V/gliEoin1.jpg






















22 posts Puyallup WA 1985 VW Scirocco 16V

I wanna see this too ...

I think I understand. And it sounds like a good design.

My question though is how does the oil not get into the breather filter then? Doesn't it saturate the filter if it basically sprays oil out of the breather? Or is the filter at an upward angle?

Anyone tried packing steel wool or something into their breather? I would but I am afraid that since it vents to the airbox AFTER the filter then it could cause some SERIOUS damage.

Im really worried about the oil in my intake thing though ... I'm pretty sure thats what caused my last intake boot on my Scirocco 16V to get

soft and rip. I don't want to spend another 100 bucks on a replacement. Again ...

RIP 87 ROCCO

If its broke, DRIVE IT HARDER

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