Oil Catch Can: Surprising Benefits - Watch Before You Decide

In this video I inspect my UPR Oil Separator / Catch Can after using it during about 6 weeks in a Canadian Prairies Winter

Catch Can Install:
Catch Can First 1000 Miles:
Catch Can First 5000 Miles:
Catch Can Drain Hose/Plug Install:

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[Donslife]

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[rod]

My C8 Z51 Corvette has an "OIL CATCH" can. I get about 2 ounces + every 1k miles. They definitely work and are needed for DI engines.

[CrawldaBeast]

Looking at the water amount, I can see why it wouldn't drain below freezing.
I'm about to install a catch can and will go with the unscrew and dump method because the freezing potential.
Thank you for this very informative video.

[lsss]

Nice update. Crazy how much condensation you get...I've never had that much in my can! Glad you have a can...especially with our DI engines and being unable to clean the backs of the valves if they get all gunked up with that crud!

[dajoway]

It looks like it works as claimed! I purchased one for my 2014 Chevy truck ! I can’t wait to see what I get from it! I bought K& N ! My truck has 65, 000 on it ! Keep up your great videos!

[happyman]

I have a UPR as well in my 5.3 Denali. The thing to note is that the condensation is being generated by the cold can itself and is not coming from the engine. The engine gets too hot to quickly to generate condensation. It would be better if the UPR can was mounted closer to the engine heat to reduce can condensation more. Don't use any Lucas oil additive. It will eventually clog the patented UPR four stage filters. Ask me how I know. Great video!

[davew]

I put one on my 2012 Tacoma TRD Sport 4x4 Access cab 4.0 years ago. Just hit 50k 2 months ago. It does not have your type of filter. It just had a metal plate with holes in it, so I added some Stainless Steel Chore Boy . It does not clog up or freeze. I do mostly short trips and have noticed that in summer I get more of a clean oil in the can (very little) and in colder months I get the milky mix. My oil in oil-pan is not milky during oil changes. I would say water came out of your drain hose because the water went to bottom of the hose and the oil/milky substance floated up above the water in the hose, (oil floats) and it is not in the catch can being constantly mixed up by the incoming PCV air constantly mixing the water and oil up in the catch can because it's way down in the rubber hose and separates naturally. North East Pennsylvania.

[codyat]

Love your AT4!

My 5.0 mustang has a catch can, very useful and well worth the little investment in the long run.

Hearing your 6.2 makes me wish I would have got that motor instead of my 3.0 in my 22 AT4

[markalford]

I have the same truck and a different brand catch can installed, I live in California with mild winters compared to yours and my can is mostly oil with some water. I’m glad I found out about catch cans .

[cghennig]

I believe it’s condensation due to the oil vapours cooling off outside of the engine. Oil mixed with water gives that white baby poo. In summer you would get oil residue in the can. It should still work by removing the oil going back into the engine.

[bryanpetersen]

I’m not sure how, but I’m pretty certain it gets colder here in Minnesota (Western Somalia) than it does up in Canada.
Great video, I’ve got a couple cans coming for my K2500 and Gladiator pickups.

[DapperX]

Thank you for the update. That's way more than I was expecting.

[owenhill-vfko]

It's called condensation. Catch cans are not needed. I have Two DI vehicles one with a turbo. Use a good synthetic Oil change every 5k miles with filter and use tier 1 gasoline zero problems. Both are high miles and I have scoped them. 3rd generation mechanic and engine builder.

[eagle]

I feel like the condensation developed in the catch can it self, the air from the crankcase is hot and then spool around in the can I believe developes the water 💧. I have a catch can install on my small block chevy boat engine and it's pretty hot when the engine running and alot vacuum in it that the intake pulling.

[bmartin]

Would be helpful to have an analysis done of the liquid to see just what is in it.

[Placsi]

Great video mate!
Two questions:
1. What are the internal dimensions of the inter connection tubes/hoses?
2. Did you notice any increment of the pressure in the crank-case due to the installation of the separator/oil catch can?

[purdydell]

U should also put steel wool as it acts as a filter

[oonwing]

My 06 Silverado has that in the winter, condensation.

[zzman]

Catch cans collect a lot of condensation and some oil. Especially in colder weather. An older worn engine or engine with stuck rings would collect a lot more oil.

[daniejw]

Pretty normal for cold temperatures. Mostly moisture and probably a bit of fuel/oil.