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Catch Can @ 30K

gmcleer

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gmcleer Enthusiast

gmcleer

Posted
Posted

Is it worth adding a catch can at 30K or has that ship sailed? I have used sea foam, was going to continue using the sea foam every other oil change. I have not seen anyone complaining of valve issues on this forum. So is it worth the $ to add a catch can at this point?

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diyer2 Senior Enthusiast

diyer2

Posted
Posted

Can't hurt.

I have chosen to pass on the catch can and go with the Range AFM disabler. No can to empty. :happysad:

Silverado Steve Senior Enthusiast

Silverado Steve

Posted
Posted

No can here either. Thought a catch can was to remove oil and out of the PCV line due to having GDI not AFM?

 

Can't hurt.

I have chosen to pass on the catch can and go with the Range AFM disabler. No can to empty. :happysad:

 

TJay74 Senior Enthusiast

TJay74

Posted
Posted

Can't hurt.

I have chosen to pass on the catch can and go with the Range AFM disabler. No can to empty. :happysad:

 

Catch can has nothing to do with AFM, you are still going to have issues with oil ingestion in your engine.

LongrangeLauber Senior Enthusiast

LongrangeLauber

Posted
Posted

No can here either. Thought a catch can was to remove oil and out of the PCV line due to having GDI not AFM?

 

 

It is but when these trucks go into 4 cylinder mode it seems that it pushes more oil through the PCV hose
Silverado Steve Senior Enthusiast

Silverado Steve

Posted
Posted

True, but disabling AFM will not stop valve coking that is related to GDI.

 

 

It is but when these trucks go into 4 cylinder mode it seems that it pushes more oil through the PCV hose

Rawyzf Senior Enthusiast

Rawyzf

Posted
Posted

AFM tuned out here, and I still get plenty in the catch can. I'd get one, no matter the mileage.

 

Sent from my SM-G930V using Tapatalk

Glava2876 Enthusiast

Glava2876

Posted
Posted

Is it worth adding a catch can at 30K or has that ship sailed? I have used sea foam, was going to continue using the sea foam every other oil change. I have not seen anyone complaining of valve issues on this forum. So is it worth the $ to add a catch can at this point?

 

These are not crazy expensive and doing it on a 30k mile engine would still reduce any additional crap from the valves.

But, there is quite a bit of debate on how much of a problem this really is even long term.

I have one on my 2015 Denali 6.2 with about 15k miles. Mine is the Elite and I empty it every month and there is 1/4 to 1" of crap, with the higher amounts in the winter.

This seems to be more of a preventive measure that you may want to consider if you will keep your truck for a long time & many miles or are just over protective -like me LOL.

I also have the Elite on my 2015 Corvette with the dry sump and it seems to get less, but I don't drive it as much ...has about 3,500 miles.

When I brought it in for the 500 mile oil change, the tech saw the catch can and said, "nice to see you got a can". When I asked if he really thought so, he brought over a really ugly valve and said "this is what we see in some engines as the miles add up".

diyer2 Senior Enthusiast

diyer2

Posted
Posted

When I asked if he really thought so and he brought over a really ugly valve and said "this is what we see in some engines as the miles add up".

 

​​I believe there are so many variables with this issue that a properly maintained motor will not have an issue. Time will tell as my miles add up due to my keeping my vehicles for a long time. May be more of an issue with newer direct injection if I understand this right. :happysad:

Silverado Steve Senior Enthusiast

Silverado Steve

Posted
Posted

Correct, your model truck doesn't use GDI, but Port injection. Your intake valves are hosed off by the injectore spraying gasoline over the injectors directly. GDI injects fuel beneath the valve directly into the cylinder, no fuel touches the valve to wash off oil and carbon build up. A catch can would do little to nothing on your 2012 motor, but removes the oil from the PCV line on the 2014 on up models. Disabling AFM does nothing in that regard for your truck either. A fuel additive would do just as much if not more for you. Apples to oranges between your truck and ours.

 

When I asked if he really thought so and he brought over a really ugly valve and said "this is what we see in some engines as the miles add up".

 

​​I believe there are so many variables with this issue that a properly maintained motor will not have an issue. Time will tell as my miles add up due to my keeping my vehicles for a long time. May be more of an issue with newer direct injection if I understand this right. :happysad:

DaveHC Enthusiast

DaveHC

Posted
Posted

Ran a catch can on a hemi 5.7 in a 2015 ram for 15k, it extracted less that 10oz total in 14 months, waste of money if it was needed it would have one, now if you race or run the dog poop out of your truck all the time or maybe if you tow heavy a lot then maybe it would be of some use but the pcv system is set up to handle what goes into it without one.

amxguy1970 Senior Enthusiast

amxguy1970

Posted
Posted

Ran a catch can on a hemi 5.7 in a 2015 ram for 15k, it extracted less that 10oz total in 14 months, waste of money if it was needed it would have one, now if you race or run the dog poop out of your truck all the time or maybe if you tow heavy a lot then maybe it would be of some use but the pcv system is set up to handle what goes into it without one.

 

^ This

 

Tyler

Rawyzf Senior Enthusiast

Rawyzf

Posted
Posted

Ran a catch can on a hemi 5.7 in a 2015 ram for 15k, it extracted less that 10oz total in 14 months, waste of money if it was needed it would have one, now if you race or run the dog poop out of your truck all the time or maybe if you tow heavy a lot then maybe it would be of some use but the pcv system is set up to handle what goes into it without one.

 

I empty mine every 2 weeks or so, and there is typically around 2-4oz in there. In the winter, it's a lot more because of the moisture.

winn0040 Enthusiast

winn0040

Posted
Posted

I empty mine every 2 weeks or so, and there is typically around 2-4oz in there. In the winter, it's a lot more because of the moisture.

After Seafoaming my truck yesterday at 26k miles and seeing all the crap shoot out the tailpipe I might be looking into a can to throw on before winter!

AZ_SS Enthusiast

AZ_SS

Posted
Posted

They benefit non-GDI motors as well. The intake on my Firebird (LS1) was saturated on the inside after 24k miles. Installed a can when I swapped cams and would drain some every oil change. The LS2 in my Trailblazer SS pushed out even more.

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