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- - Milky Sludge inside of Oil Catch Can and small amount under Oil Cap (https://www.camaro5.com/forums/showthread.php?t=611174)

matts_6.2

11-10-2022 10:59 PM

Milky Sludge inside of Oil Catch Can and small amount under Oil Cap

I have a milky sludge build up and it's pretty heavy. Should I be worried? I looked at other threads with the same title and it does not look like my situation at all. Any tips guys? There were small little traces too under the oil cap but didn't look worrysome. Also checked the oil dip stick and its just fresh slick oil every time at the bottom.
https://i.imgur.com/uq2WA7z.jpg

102SS

11-11-2022 06:57 AM

Its condensation.

Do you take a lot of short trips?

The engine not getting up to proper temp and getting a good long run will cause this.

gtstorey

11-11-2022 08:19 AM

And how long did that take to build up like that?

dreksnot

11-11-2022 09:58 AM

You running E85?

matts_6.2

11-11-2022 10:43 AM

Quote:

Originally Posted by 102SS (Post 11251786)

Its condensation.

Do you take a lot of short trips?

The engine not getting up to proper temp and getting a good long run will cause this.

Yes, I usually let it idle for about 2 minutes before I start doing my morning and afternoon commutes, most of it usually about a run time of about 10 minutes. It was like this for about 800 miles until I checked it last night.

Quote:

Originally Posted by gtstorey (Post 11251832)

And how long did that take to build up like that?

It was about 800 miles across 3 weeks, had 1 trip about 300 miles.

Quote:

Originally Posted by dreksnot (Post 11251871)

You running E85?

No, just on 93 Premium.

ElderJ

11-11-2022 01:29 PM

Man, I've never seen anything remotely like that in my catch can. Been running one for a few years now (about 20k miles), and the only thing I ever see is a dark oily substance.

matts_6.2

11-11-2022 02:28 PM

Quote:

Originally Posted by ElderJ (Post 11251968)

Man, I've never seen anything remotely like that in my catch can. Been running one for a few years now (about 20k miles), and the only thing I ever see is a dark oily substance.

What I thought when I saw other threads on this, I am on 20W50 VR1 though.

gtstorey

11-11-2022 02:50 PM

The multiple very short trips are very tough on the oil (especially in a humid climate), but still seems excessive to me.

0stones0

11-11-2022 03:37 PM

That much oil after 800 miles seems like the intake valley baffle issue.

dreksnot

11-11-2022 04:36 PM

1 Attachment(s)

Quote:

Originally Posted by dreksnot (Post 11251871)

You running E85?

Quote:

Originally Posted by matts_6.2 (Post 11251895)

No, just on 93 Premium.

This is typical of running E85; perhaps even if running E10 with regular pump gas. My catch can lines junk up with this tan baby poo stuff. Tough to clean and I've found brake cleaner to work best. I've noticed the colder the weather is, the more it accumulates. No so bad during the Summer months.

matts_6.2

11-12-2022 12:22 AM

Quote:

Originally Posted by gtstorey (Post 11251999)

The multiple very short trips are very tough on the oil (especially in a humid climate), but still seems excessive to me.

Alright, well I am in SE Louisiana with 20W50 VR1 oil which is a heavier oil. And the climate is starting to become cooler so that may be why. I was recommended 20W50 from my engine builder but was searching around to see if I could potentially use 15W40 or possibly even 10W40. But yes, it definitely seems excessive. I recently saw that my PCV on the passenger valve cover was plugged and the intake hole was also covered. So I will have to buy a rubber hose with a fitting to see if it fixes anything.

matts_6.2

11-12-2022 12:23 AM

Quote:

Originally Posted by 0stones0 (Post 11252005)

That much oil after 800 miles seems like the intake valley baffle issue.

What do you mean by that? I did notice today that the PCV on the passenger side valve cover was plugged and the intake hole was covered. I ordered a new rubber hose and fitting to reintroduce it. I am not aware if it will change or affect anything.

0stones0

11-12-2022 03:59 AM

Quote:

Originally Posted by matts_6.2 (Post 11252102)

Read this thread. It should help to explain. This is on a LS3.

Excess oil in the pcv system

KD2010

02-26-2023 12:55 PM

Does the 2010 SS (6.2) have a catch can? Where is it located?

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