NEW JLT 3.0 Oil Separators (Passenger Side) for 2021+ Ram TRX Hellcat 6.2L (2021, 2022, 2023, 2024)! (Detailed Info / Feedback)

[Dethclaw]

I understand the extension will solve the overfilled can issue with condensation however, should those of us with this catch can not be worried about that same condensation occurring in the line going from the can to the engine? I completely understand the need for the catch can on a direct injection engine, but is blowing condensation directly into the engine not worst than small amounts of oil?? Thinking about removing this can and buying the UPR as it has substantially shorter lines. Can the mechanically inclined chime in, is this actually harmful?

 

[El Jefe]

I understand the extension will solve the overfilled can issue with condensation however, should those of us with this catch can not be worried about that same condensation occurring in the line going from the can to the engine? I completely understand the need for the catch can on a direct injection engine, but is blowing condensation directly into the engine not worst than small amounts of oil?? Thinking about removing this can and buying the UPR as it has substantially shorter lines. Can the mechanically inclined chime in, is this actually harmful?

Good question. . .can someone provide answer???

 

[NoHo Hank]

Good question. . .can someone provide answer???

I have wondered the same and have considered removing mine. Especially after seeing how much condensation was in my catch can after just a short while. That condensation was just from one hose, so have to assume similar amount of condensation was fed into the intake.

 

[Spartan1]

I don't know about you boys but I just took mine off. I live in Michigan. Last week after 4 days mine was completely full with water and that is with the extension. I think that it is a decent product and my plan is to put It back on in the spring and run it during spring, summer, and fall in MI. Just a tip, be careful with the little green plastic clips when you take it off. I broke one. I emailed them and asked them to send me one or 3. They referred me to their new website (JLT now J and L Oil separator co.) and they are $8 shipped on their "new" website. Another tip is don't over tighten the extension. Especially if you live where it is freezing @ss cold like me. I have the black one and scratched the shit out of it.

 

[NoHo Hank]

I don't know about you boys but I just took mine off. I live in Michigan. Last week after 4 days mine was completely full with water and that is with the extension. I think that it is a decent product and my plan is to put It back on in the spring and run it during spring, summer, and fall in MI. Just a tip, be careful with the little green plastic clips when you take it off. I broke one. I emailed them and asked them to send me one or 3. They referred me to their new website (JLT now J and L Oil separator co.) and they are $8 shipped on their "new" website. Another tip is don't over tighten the extension. Especially if you live where it is freezing @ss cold like me. I have the black one and scratched the shit out of it.

I am going to check mine this evening and if mine is filling up with condensation like this, I am taking it off. I had very minimal oil in my catch can but a lot of water when I checked it earlier this week. I would imagine a tiny bit of oil is less of an issue than a relatively large amount of water going into the intake.

 

[Spartan1]

I wonder if this one would be any better. I'm not sure if the lines are shorter for the TRX. I can't tell from the pictures on their site.

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[Johnny@JustBoltOns]

Good question. . .can someone provide answer???

I've related this concern to J&L and will get back to you unless they post on here first. I don't think it would be a concern, especially with the larger can swap.

 

[El Jefe]

I don't know about you boys but I just took mine off. I live in Michigan. Last week after 4 days mine was completely full with water and that is with the extension. I think that it is a decent product and my plan is to put It back on in the spring and run it during spring, summer, and fall in MI. Just a tip, be careful with the little green plastic clips when you take it off. I broke one. I emailed them and asked them to send me one or 3. They referred me to their new website (JLT now J and L Oil separator co.) and they are $8 shipped on their "new" website. Another tip is don't over tighten the extension. Especially if you live where it is freezing @ss cold like me. I have the black one and scratched the shit out of it.

Since I live in S. Texas, the condensation issue shouldn't be too bad for me like it is for you Northern fellas.

 

[oSPANNERo]

At the risk of getting read the riot act, I am not sure I understand the condensation concern beyond the overfilling of the catch-can itself streaming into the intake which I agree would be potentially be sub-optimal.

In *THEORY* the catch-can is a sealed system just like the original hose meaning, the only gasses that can get in there have to come from the valve cover or intake. (I am assuming for the purposes of this discussion that there are no "ingress leaks" at any connection or where the bottom of the can attaches to the top.) Given that assumption, the condensation is just the water in the air inside the line dropping out of suspension and getting trapped in the... erm... trap. So... when folks are asking about condensation sitting in the line potentially going into the intake, wouldn't that be the same amount of water as would go in with the same volume of air since there is no other source of moisture? (Its not like the oil separator is *CREATING* moisture or allowing more moisture in?)

I mean... I don't worry about the amount of moisture being brought into my engine on a high humidity day or while its raining.

Again, I am not talking about dumping in water to the point of hydro locking a cylinder.

 

[NoHo Hank]

I've related this concern to J&L and will get back to you unless they post on here first. I don't think it would be a concern, especially with the larger can swap.

There is a post above of the extended can filling up in just a few days.

A possible fix here would be a much larger can mounted below the height of the intake so gravity pulls the condensation into the can rather than into the intake.

 

[El Jefe]

At the risk of getting read the riot act, I am not sure I understand the condensation concern beyond the overfilling of the catch-can itself streaming into the intake which I agree would be potentially be sub-optimal.

In *THEORY* the catch-can is a sealed system just like the original hose meaning, the only gasses that can get in there have to come from the valve cover or intake. (I am assuming for the purposes of this discussion that there are no "ingress leaks" at any connection or where the bottom of the can attaches to the top.) Given that assumption, the condensation is just the water in the air inside the line dropping out of suspension and getting trapped in the... erm... trap. So... when folks are asking about condensation sitting in the line potentially going into the intake, wouldn't that be the same amount of water as would go in with the same volume of air since there is no other source of moisture? (Its not like the oil separator is *CREATING* moisture or allowing more moisture in?)

I mean... I don't worry about the amount of moisture being brought into my engine on a high humidity day or while its raining.

Again, I am not talking about dumping in water to the point of hydro locking a cylinder.

. . .actually very good reasoning - I follow exactly what you're saying.

 

[Dethclaw]

At the risk of getting read the riot act, I am not sure I understand the condensation concern beyond the overfilling of the catch-can itself streaming into the intake which I agree would be potentially be sub-optimal.

In *THEORY* the catch-can is a sealed system just like the original hose meaning, the only gasses that can get in there have to come from the valve cover or intake. (I am assuming for the purposes of this discussion that there are no "ingress leaks" at any connection or where the bottom of the can attaches to the top.) Given that assumption, the condensation is just the water in the air inside the line dropping out of suspension and getting trapped in the... erm... trap. So... when folks are asking about condensation sitting in the line potentially going into the intake, wouldn't that be the same amount of water as would go in with the same volume of air since there is no other source of moisture? (Its not like the oil separator is *CREATING* moisture or allowing more moisture in?)

I mean... I don't worry about the amount of moisture being brought into my engine on a high humidity day or while its raining.

Again, I am not talking about dumping in water to the point of hydro locking a cylinder.

I believe you are missing the point to the question, no offense.
If the line from the crankcase to the actual can has enough condensation forming in it to fill the can with water (which we have seen multiple posts and pictures of recently) then my version of common sense dictates to me that the same exact line going from the can to the intake would also be creating condensation in it without the luxury of the can to catch it, as it’s returning to the engine.
However I do not know this to be fact which is way I was hoping for input from an actual mechanic

 

[Billet P]

I understand the extension will solve the overfilled can issue with condensation however, should those of us with this catch can not be worried about that same condensation occurring in the line going from the can to the engine? I completely understand the need for the catch can on a direct injection engine, but is blowing condensation directly into the engine not worst than small amounts of oil?? Thinking about removing this can and buying the UPR as it has substantially shorter lines. Can the mechanically inclined chime in, is this actually harmful?

I swear I asked myself this same question.

 

[Dethclaw]

I swear I asked myself this same question.

I’m thinking I might just rip it out till further notice. At least oil belongs in the engine, don’t like the idea of water getting in

 

[NoHo Hank]

I’m thinking I might just rip it out till further notice. At least oil belongs in the engine, don’t like the idea of water getting in

I'm interested to hear from JLT or @Johnny@JustBoltOns on their take. Hoping it's a big nothing-burger.

 

[Spartan1]

I was thinking about attempting to nerd out here, but I am definitely not an engineer. I just know that the thing was filled up with water when I took it off. I imagine that if it overflows completely then this is a very bad thing. I’m not sure if it is a bad thing if it is filled with water and it doesn’t overflow. I have a feeling that in stock form there is less turbulent flow and hence less condensation. I would bet that there is a mathematical formula out there that involves condensation and turbulent flow. Mine is staying off for now as I do not plan on checking it every 4 days although maybe I should as I am at the gas station again about every 4 days anyway. 9.8 MPG baby!

 

[KnoxRents]

I don't know about you boys but I just took mine off. I live in Michigan. Last week after 4 days mine was completely full with water and that is with the extension. I think that it is a decent product and my plan is to put It back on in the spring and run it during spring, summer, and fall in MI. Just a tip, be careful with the little green plastic clips when you take it off. I broke one. I emailed them and asked them to send me one or 3. They referred me to their new website (JLT now J and L Oil separator co.) and they are $8 shipped on their "new" website. Another tip is don't over tighten the extension. Especially if you live where it is freezing @ss cold like me. I have the black one and scratched the shit out of it.

Holy shit. I came here to check on this. I am in PA and it's been cold. The separator always is about a quarter full of clean oil. I just checked it after a cold spell and it was completely full of a foamy 50/50 mix of water and fuel. I thought I blew a gasket or something. Really happy to see I am not alone. Going to be checking it more regularly during the winter apparently.

EDIT: Reading above and being no engineer myself, I agree that this is a closed system and the moist air is passing through the system anyway. I think the freezing cold aluminum is condensing the water very rapidly and that vapor is building up rather than passing as it would at normal temperatures. So in theory, the oil separator is pulling water that normally would have passed through to the intake anyway so win/win in my book. At least I'll tell myself that until someone comes up with something better. LOL.

 

[NoHo Hank]

Holy shit. I came here to check on this. I am in PA and it's been cold. The separator always is about a quarter full of clean oil. I just checked it after a cold spell and it was completely full of a foamy 50/50 mix of water and fuel. I thought I blew a gasket or something. Really happy to see I am not alone. Going to be checking it more regularly during the winter apparently.

EDIT: Reading above and being no engineer myself, I agree that this is a closed system and the moist air is passing through the system anyway. I think the freezing cold aluminum is condensing the water very rapidly and that vapor is building up rather than passing as it would at normal temperatures. So in theory, the oil separator is pulling water that normally would have passed through to the intake anyway so win/win in my book. At least I'll tell myself that until someone comes up with something better. LOL.

My understanding, from other forums, is the longer hoses from the JLT catch can allows for more surface area to collect condensation.

 

[jashearer]

Interesting write up here from McNeilly. As others have said, its a closed system, if you aren't going to be bothered to empty it more often then I would suggest you remove it, but remember its likely that there is not enough "water" in there to do any hydrolocking damage that I'm guessing people are worried about. Water/methanol injection also required putting liquids directly into the intake stream and is used on lots of forced induction high performance applications.

I think the bigger worry is freezing lines and causing crank case pressure.. if the lines are straight and can drain I wouldn't think it would be a huge issue.

Keeping Your Oil Catch Can from Freezing in the Winter Months

www.mcnallyelectronics.com

 

[KnoxRents]

My understanding, from other forums, is the longer hoses from the JLT catch can allows for more surface area to collect condensation.

I get that but warm, moist air hitting freezing cold aluminum makes more sense to me. Think air conditioner coil condensation.

That article above is really good. Thanks jashearer.