How-To: $20 Catch Can

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How-To: $20 Catch Can

Post by racer12306 » Tue May 30, 2006 6:30 pm

What you need
- 1 campbell hausfield water filter for a compressed air system ~$12, available at walmart, autozone and probably anywhere that sells air compressor parts
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- 2 of these, cant think of a good name for them but i think you know what im talking about
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- 4 feet of 3/8" fuel line
- 4 feet of 1/2" heater hose
- now the special part: a piece of thin stainless (or aluminum or regular steel) steel.
- a tap (measure the id of the holes on then base your tap size on that)
- a small drill
- a little bit of loctite so you dont have to tighten the screws up too much and risk stripping the threads in the hole. i actually did a little bit on one hole but i put some loctite in there and its been good for ~15000 miles.
- teflon tape for the threads
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- a few zip ties to keep the hose in place
- 4 small hose clamps

i think the following pics will tell the rest of the story. its really quite simple. you dont have to run it so long but it is the nicest looking way, in my opinion.

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as far as i know, no one else does it this way. most probably dont have the tools to do it.

you can tell which bolt to pull out to mount the piece of stainless in the last pic.

here is a pic of what the piece of stainless looks like when finished.
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one more pic of the mounting (sorry its a little blurry)
Image

i keep the original pcv hose and a screw driver in the trunk of my car just incase something goes wrong with this setup, but nothing has happened in ~15000 miles, i just like to be prepared.

dont worry about the new hoses not being for vacuum, i was a little worried at first but i have not had a problem with the hose collapsing under vacuum.

you might also want to get a new o-ring for the filter. it is the following part number: Help! part# 90441. its available at most auto parts stores. this o-ring likes oil much better than the one that comes on the filter. i havent put that o-ring on yet but i will in the future.

if you take the bowl off of the filter and then unscrew the stone filter there is a little black plastic piece, ditch that. then put the stone filter back on. i have cleaned the stone filter a few times with carb cleaner. to clean it i just unscrew the filter and then spray the carb cleaner so that it goes from the inside out, kind of like how you clean a K&N air filter.


UPDATE: The heater hose and fuel line are starting to be affected by the heat and vacuum. So I have ordered new hose from McMaster-Carr. The new hose is actual vacuum rated hose so it should hold up. I will post when I receive the new hose to confirm it fits right and such.

Part Numbers
54605K29 - $0.87/ft
5201K14 - $3.27/ft

You need to decide how many feet you need. I ordered 5ft of each to have a little left over. There is another hose that is $2.55/ft but has a much larger bend radius than the one above, but if you are interested the part number is: 5279K213.

UPDATE 8/27/07
I was looking through the latest JEG'S catalog and noticed an Air Oil Separator kit. It is very similar to the $20 catch can, but looks a little nicer. It is $45, so its a little pricey. But it does come with a mounting bracket and the hose barb fittings. It does look like it has a nice little drain.

For those who are interested the part number is 555-52205.

http://www.jegs.com/webapp/wcs/stores/s ... _396863_-1


Disclaimer: I don't take any responsibility for any problems or damage that could occur by performing this install. Install at own risk.
Last edited by racer12306 on Mon Aug 27, 2007 3:51 pm, edited 6 times in total.
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Post by 03atx » Tue May 30, 2006 10:48 pm

great write up but why put the catch can on the other side of the engine bay as opposed to this way

http://forums.neons.org/viewtopic.php?p=899895#899895

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Post by racer12306 » Tue May 30, 2006 11:08 pm

since i do not have a CAI i dont think i have as much room as that person did. i think my setup looks better than that one, more professional. almost like its supposed to be there. maybe i should get a can of graphite paint and shoot the stainless piece to match the car, it would look pretty sharp then, imo.
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Post by 03atx » Thu Jun 01, 2006 8:56 am

yeah i like the bracket idea. very cool how-to :D

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Post by EmersonHart13 » Fri Jun 09, 2006 5:53 pm

Which side uses what size hose?
Mine - 2006 Phantom Black Grand Prix GXP

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Post by racer12306 » Fri Jun 09, 2006 10:33 pm

the pcv side uses the 3/8" hose and the intake manifold side uses the 1/2" hose. some say that you can use 3/8" all the way, but 1/2" seemed to fit better.
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Post by neon_ert3 » Sat Jun 10, 2006 2:17 am

what is the catch can used for?
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Post by 03sxt » Sat Jun 10, 2006 3:12 am

neon_ert3 wrote:what is the catch can used for?
'A catch can is a small container, sometimes with a filter, that collects oil blown out of the PCV valve or valve cover intake hose. The idea is to keep the oil out of the intake. It is necessary to periodically empty the catch can to prevent it from overflowing. Some cans provide a drain for this purpose.'

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Post by racer12306 » Sat Jun 10, 2006 12:52 pm

i am actually working on a nice drain system for this. im getting instructions and such from a guy on srtforums so when i get it all done ill post up info about that.
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Post by EmersonHart13 » Sat Jun 10, 2006 1:29 pm

Awesome.

This sounds like a really necessary fix, I think I am going to get one together...

John
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Post by eastwoodsn352 » Fri Jun 16, 2006 2:43 am

bought the stuff today and it cost me $15.02 for the "can" and the plugs
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Post by racer12306 » Fri Jun 16, 2006 4:58 pm

then you add on the cost of the hose and its about $20. unless you are going to cut your pcv line.

i just noticed the other day that the 1/2" line is starting to collapse a little. im probably going to be getting new stuff soon, but its probably not that big of a deal because the line isnt collapsing completely.
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Post by racer12306 » Sun Jun 18, 2006 4:03 pm

heres a link to the drain system that i made up

http://forum.2gn.org/viewtopic.php?t=9908
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Post by racer12306 » Wed Jul 26, 2006 8:00 pm

Im getting ready to order some actual vacuum hose from McMaster-Carr. Its relatively inexpensive considering its vacuum hose. Its about $4 for the 3/8" ID hose and about $13 for the 1/2" ID hose. After I get it and make sure it works right, Ill post up the part numbers in the how to post.
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Post by GTS » Wed Aug 23, 2006 6:58 pm

Image
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Here we go I jsut did this and it cost me ~14$ Total.
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Post by racer12306 » Wed Aug 23, 2006 7:08 pm

Not too bad, never seen it done that way.

keep us updated on how much you collect. i have a theory that atx cars dont have as much of a problem as mtx cars do. so please keep atleast me updated, and im sure others would be curious about it too.
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Post by GTS » Thu Aug 24, 2006 3:32 pm

Well so far i can see a few drops at the bottom of it but again i do take corners kinda fast because my suspension is upgraded. Normal driving would brobably cut that amount in half.
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Post by racer12306 » Thu Aug 24, 2006 6:40 pm

updated with new part numbers
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Post by TheNumberOneD » Thu Dec 07, 2006 7:54 pm

i used 1/2" heater hose all the way around, will that cause any problems or is everthing i've done good?

thanks for the write up, it was alot of help, trying to figure out how to work a catch can into my car.

I also used a diffrent Filter, but it's the same concept and should be okay. Wish i had the blue one you did though, it would go along better with my engine bay color.
Last edited by TheNumberOneD on Fri Dec 08, 2006 2:32 am, edited 1 time in total.
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Post by racer12306 » Thu Dec 07, 2006 10:16 pm

the heater hose will start to collapse after a while.
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Post by TheNumberOneD » Fri Dec 08, 2006 1:26 am

so it's official! the fuel line, (ie) the 3/8 line is what we need to use over the heater line?


that said! it's a pain in the butt to get those to fit the nipples i bought that match the picture you posted! :cry:

oh, well. if it's what needs to be done, it's what needs to be done.
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Post by racer12306 » Fri Dec 08, 2006 9:55 pm

TheNumberOneD wrote:so it's official! the fuel line, (ie) the 3/8 line is what we need to use over the heater line?
i really dont see where you are going with this.

read the update in my original post.
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Post by TheNumberOneD » Fri Dec 08, 2006 10:02 pm

:roll: :roll: :roll:

okay.. i read it.. thanks! :P

i'll just go ahead and get what you recommended, no reason to risk it. :D
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Post by TheNumberOneD » Mon Dec 11, 2006 10:49 pm

here we go! finnaly got a pictures of it!

Image
Image
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Post by underway » Sun Feb 18, 2007 9:52 am

well this is a pretty neat idea... i was thinkin of makin my own out of sheet metal...make it look all pro with the welds n such.... no reason that i can see to filter the oil u will never use again so i wont be usin a filter unless u guys tell me different
IF IT AINT BROKE DONT FIX IT...

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Post by racer12306 » Sun Feb 18, 2007 4:35 pm

do you mean that little stone filter?
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Post by underway » Mon Feb 19, 2007 5:46 pm

wat about the hose goin off the back of the valve cover?..is that inlet air or sumthin?
IF IT AINT BROKE DONT FIX IT...

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Post by racer12306 » Mon Feb 19, 2007 10:57 pm

the 3/8's hose from my catch can or the hard plastic?
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Post by underway » Thu Feb 22, 2007 10:58 am

racer12306 wrote:do you mean that little stone filter?
wat ever filter u guys said was in the compressor filter set up....dun see y u would filter it like that... also i have AEM CAI i dunno wat u guys have with ur set ups but i have the line off the right side of the valve cover goin to the inlet on the intake manifold and then another one on the right side of the throttle body goin to the back of the valve cover wats the deal....i see u guys just have the catch can for the one comin off the right side of the valve cover...
Last edited by underway on Thu Feb 22, 2007 11:01 am, edited 1 time in total.
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Post by racer12306 » Thu Feb 22, 2007 11:00 am

it helps prevent oil from getting sucked up by the vacuum.

thats why i keep it. some people do get rid of it. ill probably ditch the whole setup come this summer. im going to try and make my own catch can.
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