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I would like to start a NEW catch can post for all to follow.

Jettech1

By Jettech1
in 6.6L Gas V8 (L8T)

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Jettech1 Senior Enthusiast

Jettech1

Posted
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Posted
1 minute ago, Grumpy Bear said:

 

None felt. It's a choice and it's yours. You are welcome to it. I even understand about 'burn out". 

 

 

Almost a certainty.  

:crackup:

But my reaction to it is more about me than you.

 I'm sure you knew that.

 :P

 

 

 

 

Seeeeee, you crack me up.....and I love your perspective...

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Grumpy Bear
Grumpy Bear

Air is 'drawn' through the motor by manifold vacuum. If the motor has a PCV that acts as a check valve when needed. If it is a orifice based system, yes you could get some back flow and it could be an

diyer2
diyer2

First I have never bandaided anything. I just don't get as technical but have had good results of longevity with no mechanical failures for years.   

Jettech1
Jettech1

I appreciate your comments.  But you are wrong.  Suck it up big guy.  It's ok.  We all are wrong at some point. It's ok...take a deep breath.  I hope the VA steps up of which they probably won't....My

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the wanderer Enthusiast

the wanderer

Posted
Posted

This thread has been great, no need to delete it!

 

I've been interested in running a CC on my truck, I don't because mine is still port injected and I'm worried about it freezing over.

 

But I think a great point was made by custom , if you're pulling out that much oil you should see your dipstick level drop, no? Have you tried checking your dipstick to see if it goes down by a similar amount?

 

I too do the blackstone labs every oil change. I nerd out on it even though I'm still learning and need experts to interpret it for me. But @Jettech1 I would love to see a labs report on that CC content, even if it's just once. It might help determine whether it's mostly fuel or mostly oil etc and then help others who are thinking about a CC which way to go.

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Jettech1 Senior Enthusiast

Jettech1

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  • Author
Posted
11 hours ago, the wanderer said:

This thread has been great, no need to delete it!

 

I've been interested in running a CC on my truck, I don't because mine is still port injected and I'm worried about it freezing over.

 

But I think a great point was made by custom , if you're pulling out that much oil you should see your dipstick level drop, no? Have you tried checking your dipstick to see if it goes down by a similar amount?

 

I too do the blackstone labs every oil change. I nerd out on it even though I'm still learning and need experts to interpret it for me. But @Jettech1 I would love to see a labs report on that CC content, even if it's just once. It might help determine whether it's mostly fuel or mostly oil etc and then help others who are thinking about a CC which way to go.

I see no difference on my dipstick, I mean we are talking about an ounce here and there.  I was telling grumpy a few responses back that I really honestly have no desire to do an oil sample on what's in there.  I burnt out many years ago doing them, I used to be a hardcore BITOG guy and it was fun.  After 5 or so years of doing it I just burnt out on it.  Going back and forth on PPM and how to lower PPM with anything is kind of a moot point these days with how good oil is, in my humble opinion.  But it was fun to learn about it all and banter back and forth. Having said that, and this is my simple mind of observation, I look in my CC, I see oil.  I don't see a milkshake, or smell any fuel.  I see oil.  So I generally just dump it back into the engine and all is good.  My overall point is that oil that I see in my CC didn't make its way into my intake.  One person said the CC is a place where the oil condenses, and that is a true statement.  But I don't want that oil that is in any state to enter my intake.  Another great post is to where a CC shouldn't be used in super cold climates, of which I totally agree with.  Sure there is moisture in there as well and that would suck if the lines froze up, of which I can't honestly imagine that happening at all, but I guess it could, and having your front or rear main seal blow out because the engine wouldn't be able to ventilate as well.  So it's all kind user preference.  And for me, I like to keep that oil out of my intake as much as possible.  That's pretty much the bottom line for me.  Thank you for your post and I hope this thread has helped.

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  • 1 year later...
lineman1234 Enthusiast

lineman1234

Posted
Posted

Interesting. I just stumbled across this. 

 

Is it still awake????????????????????

 

I installed a catch can right at about 5,000 miles on my 2024 6.6 gasser. And have some interesting info, and pics. 

 

Is it needed,,, not really. Does it do something, yep. 

 

I still have it installed. It doesnt do much in the summer, but the winter it takes a lot of the moisture out of the oil before it is heated up and burnt off anyway. 

Pryme Senior Enthusiast

Pryme

Posted
Posted
6 hours ago, lineman1234 said:

Interesting. I just stumbled across this. 

 

Is it still awake????????????????????

 

I installed a catch can right at about 5,000 miles on my 2024 6.6 gasser. And have some interesting info, and pics. 

 

Is it needed,,, not really. Does it do something, yep. 

 

I still have it installed. It doesnt do much in the summer, but the winter it takes a lot of the moisture out of the oil before it is heated up and burnt off anyway. 

They should call it a snake oil can. 

lineman1234 Enthusiast

lineman1234

Posted
Posted

seems to catch something.

Thats almost a coffee cup of crud, in 5,000 miles. 

The other 2 are at 44 miles each. 

I have more...

Summer it dont do much, but winter it does, by winter i mean 0-20f below for the high.

 

20240623_113917 - Copy (2).jpg

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Pryme Senior Enthusiast

Pryme

Posted
Posted

Just a normal byproduct of an internal combustion engine. 
 

the can is just “catching” some so it makes it look like like it’s doing something. 
 

 

Pryme Senior Enthusiast

Pryme

Posted
Posted
9 hours ago, Another JR said:

I would say condensing rather than catching, but then I’m a non-believer. 

Use a squeegee to get water off of a bathroom mirror after a long hot shower and collect it in a can. Call the plumber to find that leak!!

  • Haha 1
PunchT37 Enthusiast

PunchT37

Posted
Posted (edited)

Wonder how many forget about or buy a vehicle with a can? A small can? How many realize some have a filter in the top? What happens when that plugs up?

 

Just sayin`. Got to stay on top of those things.

Edited by PunchT37
lineman1234 Enthusiast

lineman1234

Posted
Posted
12 hours ago, Pryme said:

Just a normal byproduct of an internal combustion engine. 
 

the can is just “catching” some so it makes it look like like it’s doing something. 
 

 

You seem to want to argue. Im not hear to argue, you do you  ill do me. 

  Some people might be interested, if you are not,,,, dont lurk hear......... The OP started this and i am adding my first hand info to it, not busting on people. 

 

I like to experiment, its my vehicle and i did the catch can experiment on it, just like my last gasser, but didnt do it in my recent last diesel. 

 

I know what it is catching, i said it is ( not ) needed. How does one know if it is needed or not needed until one adds one. I added one, ill keep it there because its already added. It would take all of 10mns to un-add. 

 

It shines best in the winter removing water vapor before it is burnt off anyway. Anything it does, is better than nothing. 

   It removed, or cached a lot of the white lithium used in assembly of the new motor, as it took a couple oil changes before i quit getting that white stuff in the can. ( any ) of the deluded oil removed from combustion is better than nothing. 

 

Am i the only one that has taken off the passengers side plastic hose that goes to/from the intake box to/from the intake cover to see,,, if there is anything in that tube??  I have pictures of mine off, and swabbed.  ( that ) is the debate of catch cans if it is needed. Catching stuff before it goes into the intake, i proved what my L8T does or doesnt do to/with the intake tube on the passengers side. 

   The drivers side just goes between the pcv valve and the top of the valve cover. 

 

Carry on.............................................

lineman1234 Enthusiast

lineman1234

Posted
Posted
1 hour ago, PunchT37 said:

Wonder how many forget about or buy a vehicle with a can? A small can? How many realize some have a filter in the top? What happens when that plugs up?

 

Just sayin`. Got to stay on top of those things.

Same type of people that buy a used diesel then join a forum and ask,,, how do i know if its stock or been deleted. 

  • 6 months later...
lineman1234 Enthusiast

lineman1234

Posted
Posted

How much oily water can you catch between your preferred oil change intervals. On your L8T 6.6 gasser. 

 

Or maybe we should start a contest.                                                     ( or not )

 

About 3 tanks of gas on the can pic. Miles and how long a tank varies for me. Temps at or below freezing seem to collect a lot more water than summer temps. Its a 3oz can. 

       Should be warming up hear in the very north soon, so it will be more oil per water, vs more water per oil now. . 

 

Towing and or driving long distances are much less. Just seems to catch and save on my shorter trips. 

 

I spent most the winter on the gulf coast of Texas, and much less is in the can per tanks. But it likes to pull water out up north hear in the cold. 

 

 

Is a catch can needed on the L8T, NO, does it catch stuff, yep, would the water be burnt off sooner or later, YEP. 

       I do like that its not dumping the moister into the drivers side valve cover though. Or less of it. 

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