does the oil catch can work

[yoder]

i have searched through the forums and all any one has really asked is how to install an oil catch can ok but my ? is does it really work and what exactly does it do and improve on cause i have seen a few things that says it improves performance and engine life kinda like the voltage stabilizer that doesnt do squat really any info on them would really be appreciated

 

[19Eclipse90]

The 4G63T PCV System

 

[DSM1G90]

I have a catch can on my setup and it allowed me to pass the sniff test in flying colors since the catch can can remove tonnage of hydrocarbons from the blow by gasses in the crank case before re-entering the intake manifold.

And I have a blockoff plate for the EGR installed also.

good luck - DSM

 

[TheMachinist]

Damn near every build Ive done Ive used them and yes they do work to a point. Theyre most effective when a type of baffle is used in them. Some of the tiny a$$ ebay ones fill up too quickly, (or don't have a separation between the fittings on the INSIDE, or theyre to close together), and allow the vapor to bypass the actual "catch" part and get into the intake and charge pipes. But I know in my catch can search years ago I was directed to this forum and found all the info I needed. I run two, one for the intake mani which works under vac, and another for the intake elbow. Both cans are tiny ebay ones, have baffles I made, and work effectively. But I really love the fact that it keeps the gunk out of the intake/charge system when a quality system is installed and properly maintained, ie. draining often.

 

[jimsgsx]

I made my own with baffling and only cost about 15 bucks with a breather added also. Its cheap and helps the engine so why not. It pulls all the crap out of the air and keeps piping alot cleaner.

 

[yoder]

alright thanx guys for the help i will deffinitly look into getting one now

 

[Cougar232]

Yes it will keep nasty oil that would get into piping and also removes crankcase nasty ventilation and make sure its a large enuf can. This is keep oil out of turbo pipes and even intercooler if valve cover is routed OEM to intake.

 

[minimarine09]

http://www.evolutionm.net/forums/ev...can-mod-dual-baffles-extended-inlet-tube.html

There is a thread I read up on back in the day, this guy does a pretty good job with making a cheap eBay set up, into a good functioning baffled closed set up

 

[yoder]

thanx for the help

 

[pksystems]

I just ordered a couple cheap catch cans from ebay. I plan on adding baffles to the inside similar to this page:
http://forum.grrrr8.net/showthread.php?t=38308

I think I'll skip the SS scrubber pads tho. Those things seem to fall apart quite easy when using them to clean parts.

 

[minimarine09]

I just ordered a couple cheap catch cans from ebay. I plan on adding baffles to the inside similar to this page:
http://forum.grrrr8.net/showthread.php?t=38308

I think I'll skip the SS scrubber pads tho. Those things seem to fall apart quite easy when using them to clean parts.

Nice! That is some serious baffling

 

[yoder]

just realized something to u have to use 2 cans or is one sufficient

 

[Boostedx11]

We run PCV catch cans on all of our race engines. Keeps things clean!

 

[DSM1G90]

And, this is an important tip to follow ... with some editing ... :

In stock form the line goes from the intake to the PVC.

Some have it set up with the line going from the intake to the catch can, the out of the catch can and into the pcv. Thus you are pressurizing the catch can under boost.


Take the PCV off of the valve cover and mount it to the inlet side of the catch can. Then run a line from the outlet side of the catch can back to the valve cover.

Doing the mode in the above recommended way, will prevent boost leaks.

-DSM

 

[1990dsmkid]

I always thought you just went from pcv valve to catch can then from catch can to intake manifold? This is how I have always seen them ran and everyone I know runs them this way.

 

[minimarine09]

As long as there is some kind of check valve stopping the positive pressure going into the catch can, then it will work either way

 

[VWJETTY]

Yeah they work. I run in my jetta and evo, both are functional and keep my tb and mani clean so no complaints here

 

[1990dsmkid]

I reread Calans pcv thread again since its been awhile and now I understand it again. I forgot about putting a check valve between catch can and intake manifold.

 

[HallerDSM]

Yeah, check valve is necessary or you run the risk of a mess to clean up later boost pressure will seep out wherever it can pushing oil with it. The ones mentioned in Calans thread are cheap and extremely effective.