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#3383555 - 05/28/14 09:36 PM Could T6 be the best oil out there
Donald Offline


Registered: 03/21/04
Posts: 17062
Loc: Upstate NY
I will post my UOA numbers tomorrow but I just dumped the T6 in my Cummins diesel at over 18K. Almost no change from 11K when I just sampled and no change (iron went from 19 to 26). The TBN was 5.86 (no change from 11K). Viscosity 14.6 cSt @ 100C.

I'll give 1/3 of the credit to Cummins making a great engine and 2/3 to the T6 oil. I will cut open the Bosch D+ filter, it went the 18K.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2001 Jeep Grand Cherokee Laredo 4.0- sold
1999 Dodge Ram 2500 w/Cummins- 4-sale


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#3383563 - 05/28/14 09:46 PM Re: Could T6 be the best oil out there [Re: Donald]
yvon_la Offline


Registered: 05/20/14
Posts: 1269
Loc: quebec canada
t6 0w40 is probably the best oil(I believe shell changed the formula a bit to meet the extreme)is there a voa of the 0w40 variety?
_________________________
Truck driver
Nissan versa note s 2014 Mobil Delvac 1 LE 5W-30 supertech st-6607(edition 2016) castrol transynd

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#3383591 - 05/28/14 10:24 PM Re: Could T6 be the best oil out there [Re: Donald]
Bandito440 Offline


Registered: 02/13/12
Posts: 3179
Loc: NYS
T6 0w-40 hasn't been seen in the U.S. yet as far as I know.

I'm fond of the 5w-40 too. I've used it in all sorts of motors with good success. Maybe I'll put it in the Forester one day to see if there's any noticeable difference in fuel economy... and it'll give BITOG something to panic about.

Seriously though, shouldn't you be putting 0w-20 in that Cummins? :-)
_________________________
'14 Grand Cherokee EcoDiesel
Pennzoil Euro L & OEM filter

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#3383593 - 05/28/14 10:25 PM Re: Could T6 be the best oil out there [Re: Donald]
440Magnum Offline


Registered: 02/01/09
Posts: 8248
Loc: Texas
Originally Posted By: Donald
I will post my UOA numbers tomorrow but I just dumped the T6 in my Cummins diesel at over 18K. Almost no change from 11K when I just sampled and no change (iron went from 19 to 26). The TBN was 5.86 (no change from 11K). Viscosity 14.6 cSt @ 100C.

I'll give 1/3 of the credit to Cummins making a great engine and 2/3 to the T6 oil. I will cut open the Bosch D+ filter, it went the 18K.


T6 is definitely some good stuff. If I remember correctly it was one of the first applications for SOPUS' XHVI base oil, but I haven't kept up with its latest iterations.
_________________________
'66 Dodge Polara & '69 Dodge Coronet R/T both 440/727
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#3383646 - 05/28/14 11:54 PM Re: Could T6 be the best oil out there [Re: Donald]
SilverC6 Offline


Registered: 10/03/08
Posts: 2780
Loc: Southeast
T6 is the stuff.

It's certainly the best oil for a RAM Cummins.

My 2013 RAM 3500 does well on it.
_________________________
'04 Mazda RX8 5W30 Valv Synpwr
'10 &'11 Camry 5W-20 PU
'11 Landcruiser 5W20 PU
'13 BMW 550IX BMW 5W30
'08 BMW Z4M Coupe TWS 10W60
'13 BMW M6 BMW 5W30

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#3383706 - 05/29/14 06:09 AM Re: Could T6 be the best oil out there [Re: SilverC6]
BISCUT Offline


Registered: 12/28/11
Posts: 1807
Loc: NewYorkistan
My Quad agrees.....:))
_________________________
2015 F150 Lariat M1 0-20 FRAM ULTRA (12k)
2007 Maxima M1 5-30 FRAM ULTRA (113k)



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#3383721 - 05/29/14 07:04 AM Re: Could T6 be the best oil out there [Re: Donald]
JHZR2 Offline



Registered: 12/14/02
Posts: 38287
Loc: New Jersey
No, its fake synthetic stealing dollars out of your pocket for some black, dino crude that they lie to you about. How could you ever put that stuff in your engine when its no different than Grp I base? Your engine just wont last unless it has PAO and POE because fake synthtic is just no good.

LOL

wink

P.S. Im liking the chevron Delo 5w-40 as well.

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#3383722 - 05/29/14 07:08 AM Re: Could T6 be the best oil out there [Re: Donald]
KD0AXS Offline


Registered: 11/13/12
Posts: 2088
Loc: Nowthen, MN
I don't own anything with a diesel engine, but I run T6 in all my OPE and ATVs. If I had a diesel engine, it would probably have T6 in it.
_________________________
2014 Hyundai Elantra Coupe 2.0 GDI-PUP 0W-40
2013 Jeep Wrangler JKU-PUP 5W-20
2005 Ford F-350 4x4 5.4-Maxlife 5W-20
2000 John Deere 425-Rotella T6

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#3383866 - 05/29/14 10:55 AM Re: Could T6 be the best oil out there [Re: Donald]
yvon_la Offline


Registered: 05/20/14
Posts: 1269
Loc: quebec canada
grou 4 oil that are good are rare,i aint even sure if the delvac1 le 5w30 is a group 4 oil(my favorite)
_________________________
Truck driver
Nissan versa note s 2014 Mobil Delvac 1 LE 5W-30 supertech st-6607(edition 2016) castrol transynd

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#3383979 - 05/29/14 01:54 PM Re: Could T6 be the best oil out there [Re: KD0AXS]
Donald Offline


Registered: 03/21/04
Posts: 17062
Loc: Upstate NY
Originally Posted By: KD0AXS
I don't own anything with a diesel engine, but I run T6 in all my OPE and ATVs. If I had a diesel engine, it would probably have T6 in it.


Its not any diesel engine. Its a Cummins.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2001 Jeep Grand Cherokee Laredo 4.0- sold
1999 Dodge Ram 2500 w/Cummins- 4-sale


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#3384111 - 05/29/14 04:46 PM Re: Could T6 be the best oil out there [Re: JHZR2]
Garak Offline


Registered: 12/05/09
Posts: 18846
Loc: Regina, Saskatchewan, Canada
Originally Posted By: JHZR2
Your engine just wont last unless it has PAO and POE because fake synthtic is just no good.

LOL

wink

P.S. Im liking the chevron Delo 5w-40 as well.

Now that you mention it, Chevron's testing of the Rotella did indicate some PAO content, but not as much as in Delvac 1. So, that lets me be a snob, even though it doesn't amount to a hill of beans in the grand scheme of things. wink
_________________________
Plain, simple Garak.

2008 Infiniti G37 coupe - Mobil Delvac 1 ESP 5w-40, Wix 51358
1984 F-150 4.9L six - Quaker State GB 10w-30, Wix 51515

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#3384126 - 05/29/14 04:56 PM Re: Could T6 be the best oil out there [Re: yvon_la]
Clevy Offline


Registered: 11/11/10
Posts: 9782
Loc: Saskatoon canada
Originally Posted By: KD0AXS
I don't own anything with a diesel engine, but I run T6 in all my OPE and ATVs. If I had a diesel engine, it would probably have T6 in it.



The conventional 15w-40 is more shear resistant and far superior in my testing of it in shared sump equipment,unless trying to extend the intervals to the extreme.

Originally Posted By: yvon_la
grou 4 oil that are good are rare,i aint even sure if the delvac1 le 5w30 is a group 4 oil(my favorite)



Co-op here has a pao formulated 0w-40 for 28 a gallon. It's the best dollar for dollar diesel oil out there.
It's basically slightly more costly than conventional but is almost 100% pao. I think it's only got enough group 2 to attain additive solubility.
Iirc it's got a pour point of -68.
And 5 gallon pails are cheap.
_________________________
2006 Charger RT
Miles x 2 per oil filter

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#3385420 - 05/31/14 07:12 AM Re: Could T6 be the best oil out there [Re: Donald]
fdcg27 Online   content


Registered: 09/25/09
Posts: 12138
Loc: OH
Although we have no good comparisons, I'd say that T6 works very well in your truck's engine.
The UOA you posted is amazing given the miles run.
TBN is still strong with no adds and none of the wear metals look to be out of line.
How much oil does this Cummins hold?
Whatever, you certainly got your money's worth out of it.
_________________________
12 Accord LX 53K HGMO 0W-20
09 Forester 67K PU 5W-30
02 Accord 144K GOil 5W-30
01 Focus ZX3 112K M1 5W-20
95 BMW 318iC 159K Delvac 15W-40

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#3386145 - 06/01/14 09:13 AM Re: Could T6 be the best oil out there [Re: Donald]
ShieldArc Offline


Registered: 03/16/13
Posts: 9
Loc: Ne
I remember in the 1990's a company here with Dodge Cummins pickups going 50k oil changes using LE 15w-40. They also used LE 10w-30 in the manual tranny's to save the bearings. Just saying....

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#3386149 - 06/01/14 09:19 AM Re: Could T6 be the best oil out there [Re: Donald]
bullwinkle Offline


Registered: 10/09/04
Posts: 5758
Loc: Cincinnati, OH, USA
I've had TDT in my '06 in my sig since 2011-the SAME OIL! I don't run many miles, but other than replacing a filter every 18 months or so & topping it off, the UOAs are still coming back "OK for continued use". The '02 HO 5.9 I had before this one (similar to the OP) was even easier on oil than the '06, would take 7-8K to even start to turn black! Now if the rest of the truck was as good...
_________________________
06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 15 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(CQ Blue)

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#3386342 - 06/01/14 03:10 PM Re: Could T6 be the best oil out there [Re: Donald]
yvon_la Offline


Registered: 05/20/14
Posts: 1269
Loc: quebec canada
you have more chance of having problem of dust then problem of oil!
_________________________
Truck driver
Nissan versa note s 2014 Mobil Delvac 1 LE 5W-30 supertech st-6607(edition 2016) castrol transynd

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#3386372 - 06/01/14 03:52 PM Re: Could T6 be the best oil out there [Re: Donald]
LoneRanger Offline


Registered: 07/02/07
Posts: 2457
Loc: Midwest
Use to use it in the 5W40 flavor for 10K oci's my late wife's 2005 Volkswagen TDI instead of the 505.01 VW oil. The car ran really strong on it (for a 1.9L 50mpg turbo-diesel, lol).
_________________________

'09 Subaru Forester .........(Quaker State Syn Blend 5W30)
'16 Ducati Multistrada DVT 1200S (Spectro Platinum 15W50)

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#3396884 - 06/13/14 07:01 PM Re: Could T6 be the best oil out there [Re: JHZR2]
Redline Offline


Registered: 12/21/06
Posts: 1
Loc: Nevada
Originally Posted By: JHZR2


P.S. Im liking the chevron Delo 5w-40 as well.


Nice, I'm looking for info and opinions here on that oil in a new 6.7 Cummins.

I'm already using the Delo 400 5w-40 in a couple other rigs, so using it a new Cummins is convenient.

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#3397020 - 06/13/14 09:55 PM Re: Could T6 be the best oil out there [Re: fdcg27]
SilverC6 Offline


Registered: 10/03/08
Posts: 2780
Loc: Southeast
Originally Posted By: fdcg27


How much oil does this Cummins hold?


Three gallons is standard on the 6.7 liter.

I believe the OP's 5.9 has the same oil capacity.
_________________________
'04 Mazda RX8 5W30 Valv Synpwr
'10 &'11 Camry 5W-20 PU
'11 Landcruiser 5W20 PU
'13 BMW 550IX BMW 5W30
'08 BMW Z4M Coupe TWS 10W60
'13 BMW M6 BMW 5W30

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#3398195 - 06/15/14 01:46 PM Re: Could T6 be the best oil out there [Re: Donald]
TiredTrucker Offline


Registered: 01/04/08
Posts: 2432
Loc: Central Iowa
Can't intelligently speak to the Rotella, but I was using the Delo 5w40 in my Detroit 60 and got some unexplained shearing going on. Viscosity was dropping to a 30 wt in normal OEM intervals. Since then, I went over to the Schaeffer 9000 and do not get the shearing and am able to almost double the OEM recommended drain intervals.

Have no explanation why the Delo was shearing. One of life's little mysteries. But I get the Schaeffer delivered to my door, complete with free oil sample kits and analysis, for the same price I was getting the Delo at wally world.
_________________________
In order to know what is bad, you have to know what is good. The question them becomes, what is the source of knowing what is good?

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#3449000 - 08/07/14 03:47 PM Re: Could T6 be the best oil out there [Re: Clevy]
Johnny248 Offline


Registered: 07/19/09
Posts: 2013
Loc: Detroit, MI
Originally Posted By: Clevy
Originally Posted By: KD0AXS
I don't own anything with a diesel engine, but I run T6 in all my OPE and ATVs. If I had a diesel engine, it would probably have T6 in it.



The conventional 15w-40 is more shear resistant and far superior in my testing of it in shared sump equipment,unless trying to extend the intervals to the extreme.

Originally Posted By: yvon_la
grou 4 oil that are good are rare,i aint even sure if the delvac1 le 5w30 is a group 4 oil(my favorite)



Co-op here has a pao formulated 0w-40 for 28 a gallon. It's the best dollar for dollar diesel oil out there.
It's basically slightly more costly than conventional but is almost 100% pao. I think it's only got enough group 2 to attain additive solubility.
Iirc it's got a pour point of -68.

What is it?
And 5 gallon pails are cheap.
_________________________
'11 Ram 1500 5.7L
'08 Beetle 2.5L
'06 Eclipse GT 3.8L
'95 Four Winns Sundowner 5.0FI
'94 Honda Dio 72cc Big Bore


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#3449124 - 08/07/14 06:28 PM Re: Could T6 be the best oil out there [Re: Donald]
wsar10 Offline


Registered: 04/11/11
Posts: 671
Loc: PA
I use Rotella everywhere I can, mostly T5 but I use the T6 in my fourwheer's. I am currently trying to justify using it in our 06 Explorer......I wish there was a UOA out there with this oil in 4.0 V6 ford motor.
_________________________
98 JEEP ZJ, 5.2 T5,WIX
03 Jeep WJ, the famous 4.0 T6,WIX
93 Jeep XJ, the famous 4.0 T5, WIX
01 Dakota, 3.9l T5,WIX
07 Explorer, 4.0 GC 0-40,WIX
11 KIA

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