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Oil catch can question.



it looks like that piece is open in the middle so maybe its there just so you can see whats in the line,,,,or

I reminds me of the oil style fuel filters
like this
DSC00600.jpg


or this
DSC00074.jpg



(i know its nothing that those but thats what comes to mind when i see that piece
 
from your reference you're saying that people have their catch cans half full after 6 months. that sounds like a typical amount of spent oil for just about any motor ever.
 
can post the link your following? i seem to have seen these in the past. i think my brother was gonna put on on his truck or something.
 
Yea I'll post links when I go on lunch. But half a can of oil is around 300ml of oil. And other ls4 owners St its good for ls4 engine and helps slow oil consumption

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And no it doesn't look anything like those pics. Look at the ones I uploaded

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dpzelenak said:
it looks like that piece is open in the middle so maybe its there just so you can see whats in the line,,,,or

I reminds me of the oil style fuel filters
like this
DSC00600.jpg


or this
DSC00074.jpg



(i know its nothing that those but thats what comes to mind when i see that piece
Click to expand...

Those look like fuel filters?

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marines542 said:
What type of scrubber did u use and why?

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Click to expand...

The scrubber is used to help catch more oil. Otherwise it will just short-circuit to the outlet. It's also beneficial to put hoses on the inlet and outlet.

Similar to what I used...just make sure they are stainless steel, because you will get a mixture of oil and water collecting in there.
Amazon.com: Stainless Steel Scrubber Pads, Set of 2 by Miles Kimball: Home Improvement



And some of the mods I did to help the catch can perform better.
Drilled the holes bigger for more flow.
2012-05-31_21-11-54_212.jpg


Installed hoses into the catch-can on the fittings to extend them to prevent "short-circuiting"
2012-06-02_20-46-30_219.jpg


RTV to help it seal.
2012-06-02_21-08-25_98.jpg


Scrubber pads
2012-06-02_21-16-25_939.jpg


2012-06-02_21-18-25_831.jpg
 


Bio248 said:
whats wrong with burning oil? keeps everything rust free in the exhaust.

i mean, i get it if youre going through a quart in 1000 miles, but my subaru definitely goes through a quart each oil change.
Click to expand...

Oil in the combustion chamber reduces octane while building up on intake and exhaust valves.
 
Awesome info. That hose u added...u put it on the inlet and inside the can? And u need to put rtv on a few of the seals on this one anyways cause I put low pressure air thru it and there's a couple small leaks. But the stainless steel doesn't get sucked back thru the return outlet? I appreciate all this info its expanding my knowledge on these things

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marines542 said:
Awesome info. That hose u added...u put it on the inlet and inside the can? And u need to put rtv on a few of the seals on this one anyways cause I put low pressure air thru it and there's a couple small leaks. But the stainless steel doesn't get sucked back thru the return outlet? I appreciate all this info its expanding my knowledge on these things

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Click to expand...

Yeah, the tube goes on the inside of the can. If it's not there, the air/oil mist will mostly just go right out the outlet. With the hose, you are forcing it to travel through the entire catch-can, through all the SS mesh. That will aide greatly at keeping the oil from traveling straight through the catch-can.

The SS pad won't get sucked back through the outlet...after you push it in there, you'll see why. (It took me about a half hour to stuff one pad in there through the big drain hole in the bottom. It's never coming back out, especially through a smaller hole.)
 
Yea but I've noticed when I drive the 400 miles home and DoD runs it burns more. So I'm just trying to help it and slow it down some

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marines542 said:
Yea but I've noticed when I drive the 400 miles home and DoD runs it burns more. So I'm just trying to help it and slow it down some

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Click to expand...

If it was me, and you had planned on keeping the car for awhile, I would disable the DOD completly. A local ASE Master GM Tech took these of a DOD motor with about 60k on it. He said he's seen this a lot on DOD motors with 50-80K miles on them.
31611_10151173903141748_1040147139_n.jpg


537500_10151173903616748_1168542797_n.jpg
 
That makes since then. How hard was it to take the catch can apart? I'm gonna go pick some more rtv for sealing and then a small clear hose

Edit wow that's a lot of build up. Any other way I can help prevent that. I'm at 47500 miles now
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marines542 said:
That makes since then. How hard was it to take the catch can apart? I'm gonna go pick some more rtv for sealing and then a small clear hose

Edit wow that's a lot of build up. Any other way I can help prevent that. I'm at 47500 miles now
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Click to expand...

There's just the two screws on top for the fittings, and the drain on the bottom. Can't take it apart any farther, unless you want to cut it in half, and weld it back together.
 
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