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#4029978 - 03/05/16 04:44 PM 08 Duramax LMM - 9,886 miles - Delo 15W-40
LateArrivalforLSU Offline


Registered: 10/21/04
Posts: 990
Loc: Louisiana
9,886 miles on sample. 89,214 on truck. Oil and full flow filter changed. Amsoil bypass is also installed on truck, but bypass filter wasn't changed.

Main reason I changed oil was because I needed to install a fumoto.



_________________________
- 2008 Chevy 2500 HD
- LMM Duramax and Allison
- Flo~Pro Turbo Back & EFI Live
- 40 ft. Keystone Avalanche 5th Wheel

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#4030183 - 03/05/16 08:30 PM Re: 08 Duramax LMM - 9,886 miles - Delo 15W-40 [Re: LateArrivalforLSU]
Dyusik Offline


Registered: 09/26/14
Posts: 969
Loc: US-WA
Copper from cooler?
Aside from shearing a full 2cst it looks good
_________________________
95 Cherokee 190K RT6 5W40,Denso
07 IS250 82K PP 10w30,Denso
04 YZF-R1 17K DELO 15w40,FU
99 HD XL1200S 18K 76 20w50,NAPAG
14 RX450h 15k M1 0w20,Denso

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#4030397 - 03/06/16 05:13 AM Re: 08 Duramax LMM - 9,886 miles - Delo 15W-40 [Re: LateArrivalforLSU]
GeorgeKaplan Offline


Registered: 12/28/15
Posts: 58
Loc: South Dakota
I can see your personal information through the blackout.

Just kidding!! smile

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#4030741 - 03/06/16 12:23 PM Re: 08 Duramax LMM - 9,886 miles - Delo 15W-40 [Re: GeorgeKaplan]
LateArrivalforLSU Offline


Registered: 10/21/04
Posts: 990
Loc: Louisiana
Originally Posted By: GeorgeKaplan
I can see your personal information through the blackout.

Just kidding!! smile

stooges grin
_________________________
- 2008 Chevy 2500 HD
- LMM Duramax and Allison
- Flo~Pro Turbo Back & EFI Live
- 40 ft. Keystone Avalanche 5th Wheel

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#4032353 - 03/08/16 08:23 AM Re: 08 Duramax LMM - 9,886 miles - Delo 15W-40 [Re: LateArrivalforLSU]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 3095
Loc: Houston, Texas
The boron is a combination additive. It's both a detergent and an anti wear additive. It makes up for the lack of calcium, also a detergent.
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#4079733 - 04/26/16 04:41 AM Re: 08 Duramax LMM - 9,886 miles - Delo 15W-40 [Re: LateArrivalforLSU]
TiredTrucker Offline


Registered: 01/04/08
Posts: 2833
Loc: Central Iowa
GM likes to use a high level to bronze in their cam bearings and such so it is quite common to see higher copper levels in GM engines. As long as the other bearing metals are low, there really is not much to be concerned with. Amazing how fast the TBN is depleting in that time frame. My Detroit 60, the TBN only drops to 7-7.5 in 20,000 miles. I used Delo 400 early on my Series 60 and got a viscosity drop over the oil change interval that caused me to switch to another brand oil that doesn't show that problem.

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#4079739 - 04/26/16 04:54 AM Re: 08 Duramax LMM - 9,886 miles - Delo 15W-40 [Re: TiredTrucker]
2015_PSD Offline


Registered: 09/26/10
Posts: 6112
Loc: SE Texas
Originally Posted By: TiredTrucker
GM likes to use a high level to bronze in their cam bearings and such so it is quite common to see higher copper levels in GM engines.
The copper would still be leaching after 90K? One would think it would taper after a number of miles, but I am assuming it has been these levels or higher on every UOA?
_________________________
2015 F-250 6.7L Powerstroke Diesel.........RT6 5W-40 + CQ Blue (WIX)
2014 Explorer 3.5L Limited...................M1 AFE 0W-20 + FU


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#4183702 - 08/22/16 01:48 PM Re: 08 Duramax LMM - 9,886 miles - Delo 15W-40 [Re: LateArrivalforLSU]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 3095
Loc: Houston, Texas
I'd call them up and fix the information. Make sure you tell them it's Delo 400LE otherwise they flag the additives, they did the same thing to me. I'm starting to think Delo isn't very good for long runs. It only has a Tbn of 8 to begin with.
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#4253252 - 11/19/16 09:32 PM Re: 08 Duramax LMM - 9,886 miles - Delo 15W-40 [Re: LateArrivalforLSU]
vitez Offline


Registered: 03/29/16
Posts: 139
Loc: big sky country, Canada
I just checked the PDS for the following 15W-40's available to me at a local distributor:

Delo 400 LE has a TBN of 9.6.
Chevron Ursa Super Plus-- 8.1
Rotella T-- 10.1.
Delvac 1300 Super-- 8.8.
Pinnacle Oil Fleetpro Ultra--10 (no decimals given)

Maybe you were thinking of Ursa?
_________________________
I have CDO. It's like OCD except in alphabetical order like it should be.

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#4281562 - 12/21/16 07:35 PM Re: 08 Duramax LMM - 9,886 miles - Delo 15W-40 [Re: LateArrivalforLSU]
Toptierpao Offline


Registered: 12/17/16
Posts: 9
Loc: Vermont
To the OP,are you using their dual remote bypass system?

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#4281564 - 12/21/16 07:35 PM Re: 08 Duramax LMM - 9,886 miles - Delo 15W-40 [Re: LateArrivalforLSU]
Toptierpao Offline


Registered: 12/17/16
Posts: 9
Loc: Vermont
To the OP,are you using their dual remote bypass system?

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#4282430 - 12/22/16 04:39 PM Re: 08 Duramax LMM - 9,886 miles - Delo 15W-40 [Re: LateArrivalforLSU]
mjoekingz28 Offline


Registered: 11/21/07
Posts: 3590
Loc: Mississippi
HEY, where and how did you get DNewton's turbo?

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