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#4624107 - 01/04/18 05:25 PM Rotella T 15w40 still good?
car51 Online   content


Registered: 03/12/15
Posts: 10532
Loc: Southwest PA
So, while on vacation talking to pops he asked if Rotella T 15w40 would be okay for his mildly built 340 in his Dart and the 350 in his 82í s-10 street/strip truck. I said it should be ok as has lil over 1,000 ppm phosphorus. Itís not SN like Delo and Valvoline are so should be ok right?

Thanks in advance.
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#4624345 - 01/04/18 10:33 PM Re: Rotella T 15w40 still good? [Re: car51]
Linctex Offline


Registered: 12/31/16
Posts: 6189
Loc: Waco, TX
15W-40 Rotella is what I ran in my drag car.

Most 15W-40 HDEO's are pretty similar, and should perform pretty close to each other.
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(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4624473 - 01/05/18 04:02 AM Re: Rotella T 15w40 still good? [Re: car51]
SR5 Offline


Registered: 07/07/15
Posts: 4586
Loc: Down Under
Here is a recent PQIA VOA of Rotella T4 15W40 (CK-4), it shows 1200 ppm zinc.
http://pqiadata.org/Shell_Rotella_T4_15W40_4192017.html

It's also JASO MA/MA2 approved, which means it's good for gas (petrol) engines. Those fussy little motorcycle ones, so a car should be fine.
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#4624482 - 01/05/18 04:57 AM Re: Rotella T 15w40 still good? [Re: SR5]
dlundblad Offline


Registered: 09/30/13
Posts: 10333
Loc: Indiana
Originally Posted By: SR5
Here is a recent PQIA VOA of Rotella T4 15W40 (CK-4), it shows 1200 ppm zinc.
http://pqiadata.org/Shell_Rotella_T4_15W40_4192017.html

It's also JASO MA/MA2 approved, which means it's good for gas (petrol) engines. Those fussy little motorcycle ones, so a car should be fine.


Yes, but which API gasser requirement? It could be API SJ which is only good up to 2001 vehicles.

OP's father's vehicles likely don't have cats so I wouldn't be worried about those at all.
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03 Jeep WJ 4.0 200k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 149k Rotella T5 10w30 Supertech ST3980


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#4679538 - 02/27/18 09:56 AM Re: Rotella T 15w40 still good? [Re: car51]
ChrisGuerrero Offline


Registered: 01/30/15
Posts: 82
Loc: Houston, TX
Hi @Car51, our apologies for the delay in response. The Rotella T 15W-40, now replaced by Rotella T4 Triple Protection 15W-40 contains about 1000ppm Phosphorus. It is okay to use in engines that require this level of phosphorus content. Do the engines call for any manufacturer approval and/or specs? If the engine does not strictly require the API SN ratings and other engine specs then it should be suitable.

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#4679818 - 02/27/18 04:40 PM Re: Rotella T 15w40 still good? [Re: car51]
car51 Online   content


Registered: 03/12/15
Posts: 10532
Loc: Southwest PA
Thanks Chris for the reply. My 82' VW Diesel rabbit will use this Rotella next oci
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#4680437 - 02/28/18 09:23 AM Re: Rotella T 15w40 still good? [Re: car51]
beanoil Offline


Registered: 10/17/04
Posts: 3055
Loc: Midwest, Illinois
Rotella and VPB are both at or over 1000 PPM of P. The folks at Chevron didn't see it my way and dropped the P, and kept a dual rating. Mobil followed the leader (lighten up Francis, there is humor in that) and did the same with Delvac 1300.
The HDEO world became 2 camps with CK4. Shell tried to do it the way it was described. Delo and Mobil said we will do it one way, Valvoline in typical fashion said they were keeping the dual rating, CK4-SN, but still has over 1000 of P.
Screwy, and you need to be an informed consumer when in the oil isle .
Sad day when the cheapest oil at WalMart has potential to outperform a major in some HDEO applications.
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beanoil: Tough under heat, real dirty afterwards.

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#4681096 - 02/28/18 10:30 PM Re: Rotella T 15w40 still good? [Re: car51]
BrocLuno Offline


Registered: 09/06/15
Posts: 5700
Loc: Kalifornia Kollective
Chevron did not drop the P in all their Delo oils. Delo 400 15W-30 SD (severe duty) is well up there at around 1,200 laugh


Edited by BrocLuno (02/28/18 10:30 PM)
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#4681169 - 03/01/18 12:49 AM Re: Rotella T 15w40 still good? [Re: BrocLuno]
Reddy45 Offline


Registered: 08/15/08
Posts: 3086
Loc: USA
Originally Posted By: BrocLuno
Chevron did not drop the P in all their Delo oils. Delo 400 15W-30 SD (severe duty) is well up there at around 1,200 laugh


Are we talking about Delo oils that are API SN rated? My understanding is that the API SN rating requires that Phos and Zinc drop down to around the 800ppm range.

This is why I have stuck with Rotella T4 15W40 for my motorcycles since it does NOT carry an API S? rating -- only CK (which does not require less ZDDP).

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#4681174 - 03/01/18 01:27 AM Re: Rotella T 15w40 still good? [Re: Reddy45]
Garak Offline


Registered: 12/05/09
Posts: 25026
Loc: Regina, Saskatchewan, Canada
That only applies to the so-called ILSAC grades, which are 0w-30, 5w-30, and 10w-30. Of course, it would apply to the 20 grades, but those aren't relevant in this context.

The 0w-40 and 5w-40 and 15w-40 HDEOs may have reduced phosphorus, particularly if they happen to simply share an additive package with the 30 grades, and the 30 grades in question happen to be CK-4/SN, but they aren't required to.
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Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515

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#4682872 - 03/03/18 12:10 AM Re: Rotella T 15w40 still good? [Re: BrocLuno]
beanoil Offline


Registered: 10/17/04
Posts: 3055
Loc: Midwest, Illinois
Originally Posted By: BrocLuno
Chevron did not drop the P in all their Delo oils. Delo 400 15W-30 SD (severe duty) is well up there at around 1,200 laugh

Which is exactly why, Mr.Luno, I bought every gallon of Delo SD I could find, or have sent to my local O'Reilly when they closed it out. I have about 40 gallons currently. The Powerstroke and I are quite pleased. Can't say the same for Delo 15w40 or Delvac 1300. IMO, weak sauce. If I needed a 15w40, Rotella and Premium Blue make up my short list for commonly available HDEO. Now I do have about 50 gallons of the Peak 15w40 from the Advance sale last October or so. That's the bargain of all bargains there. 1.85 a gallon, all CJ-4.


Edited by beanoil (03/03/18 12:12 AM)
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beanoil: Tough under heat, real dirty afterwards.

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#4682904 - 03/03/18 03:01 AM Re: Rotella T 15w40 still good? [Re: car51]
FordCapriDriver Online   content


Registered: 10/22/15
Posts: 2543
Loc: Balearic Islands , Spain
Even if it were SN that would not matter because the Zddp limitations do not affect 40 and up grades.
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1975 Ford Capri II Ghia 3000 V6, - Shell Helix HX3 20W-50 w/ 20% Rimula R4X 15W-40 HDEO.

1988 Ford Escort Mk4 Xr3i Cabrio, - Shell Rimula R4X 15W-40, w/ 30% Helix 3 20W-50.

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#4683117 - 03/03/18 10:36 AM Re: Rotella T 15w40 still good? [Re: FordCapriDriver]
beanoil Offline


Registered: 10/17/04
Posts: 3055
Loc: Midwest, Illinois
Originally Posted By: FordCapriDriver
Even if it were SN that would not matter because the Zddp limitations do not affect 40 and up grades.

I keep reading that response all over the web. And while technically true, it does not mean or guarantee that the blender actually put a level of Z or P at 1000 PPM or more. Just check out the VOA of Delvac or Delo compared to Rotella, or Valvoline or Motorcraft.
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beanoil: Tough under heat, real dirty afterwards.

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#4683232 - 03/03/18 01:22 PM Re: Rotella T 15w40 still good? [Re: beanoil]
FordCapriDriver Online   content


Registered: 10/22/15
Posts: 2543
Loc: Balearic Islands , Spain
Originally Posted By: beanoil
Originally Posted By: FordCapriDriver
Even if it were SN that would not matter because the Zddp limitations do not affect 40 and up grades.

I keep reading that response all over the web. And while technically true, it does not mean or guarantee that the blender actually put a level of Z or P at 1000 PPM or more. Just check out the VOA of Delvac or Delo compared to Rotella, or Valvoline or Motorcraft.

That is true but atleast that means you can be more sure it has higher Zddp.
_________________________
1975 Ford Capri II Ghia 3000 V6, - Shell Helix HX3 20W-50 w/ 20% Rimula R4X 15W-40 HDEO.

1988 Ford Escort Mk4 Xr3i Cabrio, - Shell Rimula R4X 15W-40, w/ 30% Helix 3 20W-50.

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#4687550 - 03/07/18 01:33 PM Re: Rotella T 15w40 still good? [Re: car51]
Papa Bear Offline


Registered: 08/11/05
Posts: 7107
Loc: Leamington, ON, Canada ..... r...
Could be ... maybe not. I wouldn't necessarily jump to that ZDDP conclusion.
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