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#4584035 - 11/24/17 09:12 PM Rotela T4 -> now without API SM ?
Yannick Offline


Registered: 09/16/13
Posts: 94
Loc: Montreal,Quebec,Canada
Hello,

I always put Rotela Triple action 15w40 in my 350 gas engine boat.
it seems that Rotela changed their formula with T4 instead of Triple Action.

Triple action has these API :
API: CJ-4, CI-4 Plus, CI-4, CH-4, CG-4, CF-4, CF.
API: SM, SL, SJ, SH
ACEA: E9, E7
etc...

We can see API : SM , for gasoline engine.

Now T4 has these API :15W-40 CK-4, CJ-4, CI-4 Plus, CI-4, CH-4; ACEA E9; JASO DH-2, MA, MA2; Caterpillar ECF-2, ECF-3; Cummins CES 20086, 81; Detroit Fluids Specification (DFS) 93K222, 93K218; Deutz DQC III-10 LA; MACK EO-S 4.5, EO-O Premium Plus; MAN M3575; MB-Approval 228.31; MTU Category 2.1; Allison TES-439; Volvo VDS-4.5, VDS-4

no more API SM !!
Is there a reason ?

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#4584047 - 11/24/17 09:24 PM Re: Rotela T4 -> now without API SM ? [Re: Yannick]
Garak Offline


Registered: 12/05/09
Posts: 24574
Loc: Regina, Saskatchewan, Canada
It's been addressed a number of times. With an SN in an ILSAC HDEO grade (i.e. 0w-30, 5w-30, 10w-30), P has to be cut if an SN is to be shown. Some companies have brought SN with the CK-4 for their 15w-40 products (and other non-ILSAC grades), whereas others haven't, depending upon their formulation and marketing plans.
_________________________
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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#4584058 - 11/24/17 09:30 PM Re: Rotela T4 -> now without API SM ? [Re: Yannick]
Yannick Offline


Registered: 09/16/13
Posts: 94
Loc: Montreal,Quebec,Canada
Is it still safe to put Rotela T4 in gasoline engine ? or the formula changed ?

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#4584067 - 11/24/17 09:38 PM Re: Rotela T4 -> now without API SM ? [Re: Yannick]
bmwtechguy Offline


Registered: 06/15/04
Posts: 2673
Loc: South Carolina
It is safe, but not ideal. If you need that heavy an oil in your gasoline engine, go with a high mileage 10W-40 such as Maxlife or Castrol.

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#4584092 - 11/24/17 10:30 PM Re: Rotela T4 -> now without API SM ? [Re: Yannick]
Garak Offline


Registered: 12/05/09
Posts: 24574
Loc: Regina, Saskatchewan, Canada
You can. The formulation has obviously changed with CK-4 coming out, but it didn't become a marine lube or a two stroke diesel lube. It's still E7, E9, so it's safe. Oil companies prefer you to buy within specifications, of course, notably in the 40 grades when it comes to expensive A3/B4 lubes. wink
_________________________
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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#4584318 - 11/25/17 09:04 AM Re: Rotela T4 -> now without API SM ? [Re: Yannick]
Building3 Offline


Registered: 04/30/17
Posts: 82
Loc: Michigan
I called up the Shell tech hot line on Tuesday and asked if T-4 was still recommended for flat tappet engines. They said it was so I will continue to use it in my 1960's muscle cars. So in my case anyway, nothing has changed.

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#4585207 - 11/26/17 07:20 AM Re: Rotela T4 -> now without API SM ? [Re: Yannick]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1657
Loc: Crawfordville FL
It still meets SM but shell has chosen to drop PCMO certification because of zddp levels.

One of the shell contributors here stated that the formula hasn't changed.

That said there are many other options for 40grade in PCMO
_________________________
2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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