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2018 Silverado 3500HD RLI + Archoil #5348396 02/12/20 06:02 PM
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Phishin Offline OP
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This is the 6.0L gas engine. I'm a little concerned about sodium. 6450 miles on this oil. Fairly easy driving. No heavy towing. Copper is an additive in RLI formulations as far as I know....

It's 4 quarts of RLI 10w30 and 2 quarts of 0w30 and 5 oz. Archoil. Royal Purple oil filter. Factory air filter still. Truck was sprayed during this OCI by a Krown installer (if that might explain things)

Here is a similar UOA
RLI UOA

Screenshot_20200212-185659~2.png
Last edited by Phishin; 02/12/20 06:10 PM.

2018 Chevy Silverado 3500HD 6.0L Gas: RLI 10w30
2010 Accord-LX K24: MaxLife 5w30 + Torco MPZ
2014 CR-V LX K24: M1 0w30
Re: 2018 Silverado 3500HD RLI + Archoil [Re: Phishin] #5348406 02/12/20 06:11 PM
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ls1mike Offline
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I have to ask why not just plain ole' Mobil 1 5W-30. That is what I run in my 2018 6.0 3500hd. I mean it is proven in the LS motors time and time again.

It is rare to have an oil related failure in one of these, let alone coolant in the oil. That means a blown head gasket. That is the only place for it to get in. The intake is dry.

I towed 7500 to 8000 lbs for 10 years(about 4000 miles a year) with my old 6.0 just plain ole' Mobil 1 10W-30. Had three good UOAs, never an issue.

It is the oil you are using. I have owned 6 different LS based vehicles and I have never seen a brew like that.


Mike
00 Trans Am WS6 5.7 LS1
17 Silverado 3500HD 6.0
14 Caprice PPV 6.0
15 Malibu LTZ Turbo
12 Passport TT
Re: 2018 Silverado 3500HD RLI + Archoil [Re: Phishin] #5348477 02/12/20 07:16 PM
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PimTac Offline
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Copper is not a additive. Did you have some work done?

The sodium plus high potassium points to a coolant leak.


2017 Mazda CX5
Valvoline Advanced Synthetic 0w20
Roki OEM filter.
Re: 2018 Silverado 3500HD RLI + Archoil [Re: ls1mike] #5348531 02/12/20 08:19 PM
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Phishin Offline OP
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Originally Posted by ls1mike
I have to ask why not just plain ole' Mobil 1 5W-30. That is what I run in my 2018 6.0 3500hd. I mean it is proven in the LS motors time and time again.

It is rare to have an oil related failure in one of these, let alone coolant in the oil. That means a blown head gasket. That is the only place for it to get in. The intake is dry.

I towed 7500 to 8000 lbs for 10 years(about 4000 miles a year) with my old 6.0 just plain ole' Mobil 1 10W-30. Had three good UOAs, never an issue.

It is the oil you are using. I have owned 6 different LS based vehicles and I have never seen a brew like that.


There's nothing here indicating a problem. I didn't take the sample, the dealer tech did. It's salty here. Maybe he contaminated the sample. I don't know. But 146ppm of sodium isn't crazy high. Calm down man.

RLI is very good oil. My engine is just fine. Nothing is wrong. Sodium is 100 ppm high. It's not catastrophic

Originally Posted by PimTac
Copper is not a additive. Did you have some work done?

The sodium plus high potassium points to a coolant leak.


Yes, copper is an additive in RLI. Absolutely it is. Potassium is from the Archoil. Very predictable. The only thing "off" is that I should have expected 40ppm of sodium (normal) but I got 140ppm.

Last edited by Phishin; 02/12/20 08:22 PM.

2018 Chevy Silverado 3500HD 6.0L Gas: RLI 10w30
2010 Accord-LX K24: MaxLife 5w30 + Torco MPZ
2014 CR-V LX K24: M1 0w30
Re: 2018 Silverado 3500HD RLI + Archoil [Re: Phishin] #5348548 02/12/20 08:44 PM
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PimTac Offline
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That’s interesting.


2017 Mazda CX5
Valvoline Advanced Synthetic 0w20
Roki OEM filter.
Re: 2018 Silverado 3500HD RLI + Archoil [Re: Phishin] #5348564 02/12/20 09:05 PM
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CleverUserName Offline
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None of the current RLI formulations contain copper any longer. That is the old formula from 10+ years ago.

The new formula has a more traditional additive package plus Antimony. I just submitted a UOA tonight of RLI 10w40 in the diesel section of the forum. 3 ppm copper for 8400 miles. The previous UOA from 2019 was the same.

I believe the potassium is from the Archoil. That stuff does add some if I remember correctly however the sodium isn't.

You should never have mixed the RLI with any other additive. I believe I warned you about that in a previous thread you posted.

Re: 2018 Silverado 3500HD RLI + Archoil [Re: Phishin] #5348566 02/12/20 09:07 PM
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Rand Offline
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Why the witch's brew?

Try a short run of something for 500miles to flush it out then change it and use regular oil and get oil analysis after 3000miles or so.

PP or M1 etc.


2019 Jeep Cherokee Trailhawk 2.0T
2020 Hyundai Elantra "Value Edition"
Re: 2018 Silverado 3500HD RLI + Archoil [Re: Phishin] #5348601 02/12/20 10:04 PM
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ls1mike Offline
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Originally Posted by Phishin
Originally Posted by ls1mike
I have to ask why not just plain ole' Mobil 1 5W-30. That is what I run in my 2018 6.0 3500hd. I mean it is proven in the LS motors time and time again.

It is rare to have an oil related failure in one of these, let alone coolant in the oil. That means a blown head gasket. That is the only place for it to get in. The intake is dry.

I towed 7500 to 8000 lbs for 10 years(about 4000 miles a year) with my old 6.0 just plain ole' Mobil 1 10W-30. Had three good UOAs, never an issue.

It is the oil you are using. I have owned 6 different LS based vehicles and I have never seen a brew like that.


There's nothing here indicating a problem. I didn't take the sample, the dealer tech did. It's salty here. Maybe he contaminated the sample. I don't know. But 146ppm of sodium isn't crazy high. Calm down man.

RLI is very good oil. My engine is just fine. Nothing is wrong. Sodium is 100 ppm high. It's not catastrophic



I didn't say anything was wrong, just why all of that for a basic 6.0?

You said you were a little concerned. I wasn't. Just that LS engines are super easy on oil and don't require a brew per say.

Last edited by ls1mike; 02/12/20 10:07 PM.

Mike
00 Trans Am WS6 5.7 LS1
17 Silverado 3500HD 6.0
14 Caprice PPV 6.0
15 Malibu LTZ Turbo
12 Passport TT
Re: 2018 Silverado 3500HD RLI + Archoil [Re: Phishin] #5348631 02/12/20 10:49 PM
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ls1mike Offline
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I guess my first post wasn't clear.

It was meant to say there is nothing wrong, or you shouldn't be concerned.


Mike
00 Trans Am WS6 5.7 LS1
17 Silverado 3500HD 6.0
14 Caprice PPV 6.0
15 Malibu LTZ Turbo
12 Passport TT
Re: 2018 Silverado 3500HD RLI + Archoil [Re: CleverUserName] #5348729 02/13/20 06:12 AM
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Phishin Offline OP
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Originally Posted by CleverUserName
None of the current RLI formulations contain copper any longer. That is the old formula from 10+ years ago.


The oil I have is VERY old stock. I'm not sure when it was made....but it's very old. It's in the old white 1 gallon jugs and the lab is BARELY visible.
It's all 10w30 that I bought from Amazon last year for like $25/gallon.


2018 Chevy Silverado 3500HD 6.0L Gas: RLI 10w30
2010 Accord-LX K24: MaxLife 5w30 + Torco MPZ
2014 CR-V LX K24: M1 0w30
Re: 2018 Silverado 3500HD RLI + Archoil [Re: Phishin] #5348878 02/13/20 10:31 AM
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Phishin Offline OP
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RLI 10w30HD is loaded with copper

"This is the point at which RLI began to develop alternatives suitable for vegetable oils and turned to soluble copper compounds. They discovered that several types of copper compound could be used including copper dihydrocarbyl thio- or dithio-phosphates, copper dithiocarboamates, copper sulphonates, carboxylates, and phenates. It was important that the additive should be oil soluble for the oxidation inhibition to be effective. By putting amounts from 50 to 3000 part per million (ppm) in the oil a remarkable effect was noted."

"RLI then discovered that by reducing the copper level to around 500 ppm and adding 500 ppm using a second antimony oil soluble compound, wear was brought down below that seen with sunflower oil alone. Now with only 500 ppm copper and 500 ppm antimony the oil is not only oxidation resistant, but also wear inhibiting."

Here is a link to the article: RLI Article


2018 Chevy Silverado 3500HD 6.0L Gas: RLI 10w30
2010 Accord-LX K24: MaxLife 5w30 + Torco MPZ
2014 CR-V LX K24: M1 0w30
Re: 2018 Silverado 3500HD RLI + Archoil [Re: Phishin] #5348890 02/13/20 10:46 AM
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dogememe Online Content
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Much better UOA results can be had with regular oil with no additives. Even Walmart supertech would work fine. Why make this weird combination of oil stuff!?


2010 Ford Escape 2.5 ~102K Miles: Castrol Magnatec 5W-20, Wix Filter.
2001 Chevy Suburban 5.3 ~290K Miles: Valvoline Maxlife 10W-30, ACDelco Filter.
Re: 2018 Silverado 3500HD RLI + Archoil [Re: Phishin] #5348895 02/13/20 10:48 AM
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CleverUserName Offline
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Originally Posted by Phishin
RLI 10w30HD is loaded with copper

"This is the point at which RLI began to develop alternatives suitable for vegetable oils and turned to soluble copper compounds. They discovered that several types of copper compound could be used including copper dihydrocarbyl thio- or dithio-phosphates, copper dithiocarboamates, copper sulphonates, carboxylates, and phenates. It was important that the additive should be oil soluble for the oxidation inhibition to be effective. By putting amounts from 50 to 3000 part per million (ppm) in the oil a remarkable effect was noted."

"RLI then discovered that by reducing the copper level to around 500 ppm and adding 500 ppm using a second antimony oil soluble compound, wear was brought down below that seen with sunflower oil alone. Now with only 500 ppm copper and 500 ppm antimony the oil is not only oxidation resistant, but also wear inhibiting."

Here is a link to the article: RLI Article

Originally Posted by Phishin
Originally Posted by CleverUserName
None of the current RLI formulations contain copper any longer. That is the old formula from 10+ years ago.


The oil I have is VERY old stock. I'm not sure when it was made....but it's very old. It's in the old white 1 gallon jugs and the lab is BARELY visible.
It's all 10w30 that I bought from Amazon last year for like $25/gallon.


I’m the guy who posted the link for the 10w30 when it was clearanced by Amazon. I got a bunch of it for $16/gallon before they raised the price to $25.

The lot code on the white jugs was from 2016 stock. It’s not as old as you think it is.

Re: 2018 Silverado 3500HD RLI + Archoil [Re: CleverUserName] #5349158 02/13/20 04:53 PM
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Phishin Offline OP
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Originally Posted by CleverUserName
Originally Posted by Phishin
RLI 10w30HD is loaded with copper

"This is the point at which RLI began to develop alternatives suitable for vegetable oils and turned to soluble copper compounds. They discovered that several types of copper compound could be used including copper dihydrocarbyl thio- or dithio-phosphates, copper dithiocarboamates, copper sulphonates, carboxylates, and phenates. It was important that the additive should be oil soluble for the oxidation inhibition to be effective. By putting amounts from 50 to 3000 part per million (ppm) in the oil a remarkable effect was noted."

"RLI then discovered that by reducing the copper level to around 500 ppm and adding 500 ppm using a second antimony oil soluble compound, wear was brought down below that seen with sunflower oil alone. Now with only 500 ppm copper and 500 ppm antimony the oil is not only oxidation resistant, but also wear inhibiting."

Here is a link to the article: RLI Article

Originally Posted by Phishin
Originally Posted by CleverUserName
None of the current RLI formulations contain copper any longer. That is the old formula from 10+ years ago.


The oil I have is VERY old stock. I'm not sure when it was made....but it's very old. It's in the old white 1 gallon jugs and the lab is BARELY visible.
It's all 10w30 that I bought from Amazon last year for like $25/gallon.


I’m the guy who posted the link for the 10w30 when it was clearanced by Amazon. I got a bunch of it for $16/gallon before they raised the price to $25.

The lot code on the white jugs was from 2016 stock. It’s not as old as you think it is.


But does it have copper in it??


2018 Chevy Silverado 3500HD 6.0L Gas: RLI 10w30
2010 Accord-LX K24: MaxLife 5w30 + Torco MPZ
2014 CR-V LX K24: M1 0w30
Re: 2018 Silverado 3500HD RLI + Archoil [Re: Phishin] #5349175 02/13/20 05:11 PM
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CleverUserName Offline
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Originally Posted by Phishin
Originally Posted by CleverUserName
Originally Posted by Phishin
RLI 10w30HD is loaded with copper

"This is the point at which RLI began to develop alternatives suitable for vegetable oils and turned to soluble copper compounds. They discovered that several types of copper compound could be used including copper dihydrocarbyl thio- or dithio-phosphates, copper dithiocarboamates, copper sulphonates, carboxylates, and phenates. It was important that the additive should be oil soluble for the oxidation inhibition to be effective. By putting amounts from 50 to 3000 part per million (ppm) in the oil a remarkable effect was noted."

"RLI then discovered that by reducing the copper level to around 500 ppm and adding 500 ppm using a second antimony oil soluble compound, wear was brought down below that seen with sunflower oil alone. Now with only 500 ppm copper and 500 ppm antimony the oil is not only oxidation resistant, but also wear inhibiting."

Here is a link to the article: RLI Article

Originally Posted by Phishin
Originally Posted by CleverUserName
None of the current RLI formulations contain copper any longer. That is the old formula from 10+ years ago.


The oil I have is VERY old stock. I'm not sure when it was made....but it's very old. It's in the old white 1 gallon jugs and the lab is BARELY visible.
It's all 10w30 that I bought from Amazon last year for like $25/gallon.


I’m the guy who posted the link for the 10w30 when it was clearanced by Amazon. I got a bunch of it for $16/gallon before they raised the price to $25.

The lot code on the white jugs was from 2016 stock. It’s not as old as you think it is.


But does it have copper in it??


NO!!! None had any copper. My last sample was 3ppm which is a wear metal

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