Question: Now that Delo 15w40LE is being phased out? - Diesel Place : Chevrolet and GMC Diesel Truck Forums
 
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Old 11-29-2018, 08:37 PM   #1 (permalink)
drywaller
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Now that Delo 15w40LE is being phased out?

I am hoping to get a good idea of what pre emission duramax owners are running.
I have found a healthy stash of the LE flavor in 5 gallon pales and 55 gallon drums.
I also found a 55 gallon drum of the LE predecessor, Delo 15w40 multigrade. This is the CI rating.
Can someone with extensive oil knowledge tell me which of the two mentioned would be better for my LB7 duramax?
Truck currently sits at 181 on the clock and is used for towing.
Appreciate any and all input.

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They got excited and asked if I could drive a truck......
Folks, we're screwed.

Last edited by OkDually; 11-29-2018 at 08:49 PM. Reason: prefix
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Old 11-29-2018, 08:53 PM   #2 (permalink)
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Might find a few answers from Bob is the oil guy, search for him on the net




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Old 11-29-2018, 09:55 PM   #3 (permalink)
drywaller
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Will do
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Over five thousand years ago, Moses said to the children of Israel ,"Pick up your shovels, mount your asses and camels, and I will lead
you to the Promised Land."
Nearly 75 years ago, (when Welfare was introduced) Roosevelt said,
"Lay down your shovels, sit on your asses, and light up a Camel, this is the Promised Land."
Today, Congress has stolen your shovel, taxed your asses, raised the price of Camels and mortgaged the Promised Land!
I was so depressed last night thinking about Health Care Plans, the economy, the wars, lost jobs, savings, Social Security, retirement
funds, etc .... I called a Suicide Hotline.
I had to press 1 for English.
I was connected to a call center in Pakistan . I told them I was suicidal.
They got excited and asked if I could drive a truck......
Folks, we're screwed.
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Old 04-17-2019, 03:00 AM   #4 (permalink)
TA63
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Delo 15-40 SDE synthetic blend. Outstanding oil samples and significantly reduced consumption with this oil in my C15 cat engines. Similar results with my duramax as well. Going 20k in the C15's and 12k on the duramax with plenty of life left in the oil according to Blackstone. They say I can go 25k and 12k, respectively if I wanted.
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Old 04-17-2019, 02:02 PM   #5 (permalink)
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Not an expert but CI-4 rating was intro in 2002 according to this:

https://www.api.org/products-and-ser...l-c-categories

Not sure your model year but LB7 is intro around 2001.
So, in 2002, it was probably state of the art oil at that time.
You may check the owner's manual to see what minimum rating is recommended.
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