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#4754289 - 05/11/18 02:41 PM Mobil 1 TDT 5W-40
SargeBB Offline


Registered: 06/24/08
Posts: 167
Loc: Texas
I'm moving towards a common oil for all our vehicles: Here's some information on each, including the current oil used on each: 1: 2015 Ford F-350 6.7 Diesel, currently on Motorcraft 15W-40 Diesel mineral oil; 2. 2015 Subaru Forester Turbo, currently on 5W-30 Mobil-1; 3. 2008 Toyota Tacoma 4x4 2.7 Liter 4 cly.,-recently changed to Mobil-1 TDT 5W-40; 4. 1996 Toyota Camry V-6 345,000 miles - Mobil-1 TDT 5W-40, 5. 2006 Kubota Diesel tractor - currently on Chevron Delo 400 diesel oil; 6. 1951 Plymouth - 5W-40 M-1 TDT; and 7. 1949 Dodge 3/4 ton - M-i TDT 5W-40; and our many mowers, generators, power washers and other air cooled engines run on the various viscosities of old Mobil-I I have in stock ranging from 0W-30 to 15W-50, and they all run very smooth on it.
Finally my question: If I get ALL 7 of the above on one common oil and viscosity, would the Mobil-1 TDT 5W40 be about as good as I could do? I notice it is certified for use in both diesels and gas engines.


Edited by SargeBB (05/11/18 02:44 PM)

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#4754314 - 05/11/18 03:17 PM Re: Mobil 1 TDT 5W-40 [Re: SargeBB]
Astro_Guy Offline


Registered: 07/30/15
Posts: 459
Loc: Pennsylvania
I can't comment on what would be the best, but Chevron Delo 400 XSP Synthetic 5W40 also carries the API SN rating for service in gasoline engines. It costs less too.

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#4754526 - 05/11/18 08:32 PM Re: Mobil 1 TDT 5W-40 [Re: Astro_Guy]
ammolab Offline


Registered: 01/16/06
Posts: 1002
Loc: Ruidoso, NM USA
Originally Posted By: Astro_Guy
I can't comment on what would be the best, but Chevron Delo 400 XSP Synthetic 5W40 also carries the API SN rating for service in gasoline engines. It costs less too.


Yes, this! A thousand posts lament the loss of SN rating on Rotella T6 and nobody seems to know this SN Delo Syn exisists
_________________________
2009 Honda CR-V
2011 BMW R1200R
2005 Kaw Ninja 250
1994 Jeep Wrangler 2.5L
2016 Chevy SS Sport Sedan

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#4754531 - 05/11/18 08:40 PM Re: Mobil 1 TDT 5W-40 [Re: SargeBB]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1908
Loc: SE British Columbia, Canada
I would keep the Forester seperate with 5-30 but go ahead with the TDT with everything else, or buy a SN rated 5-40 HDEO on sale, or save even more by buying by the pail and using the Mobil rebate. Mobil Delvac 1 will be SN rated when the new stock arrives.


Edited by Snagglefoot (05/11/18 08:40 PM)

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#4754536 - 05/11/18 08:46 PM Re: Mobil 1 TDT 5W-40 [Re: SargeBB]
1JZ_E46 Offline


Registered: 04/04/16
Posts: 1240
Loc: Oregon
Another vote for the Delo for the entire fleet.
_________________________
2007 BMW X5 4.8i, 105K: Castrol EDGE 0W-40, Mann
2012 Mini Cooper, 45K: Castrol EDGE 0W-30, Mann

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#4754566 - 05/11/18 09:13 PM Re: Mobil 1 TDT 5W-40 [Re: SargeBB]
Buzzinhalfdozen Offline


Registered: 01/29/17
Posts: 52
Loc: Michigan
Does delo or tdt meet the Ford spec for the 6.7? I couldn't find anything that says they did.

I cast a vote for Rotella T5 10w-30.


Edited by Buzzinhalfdozen (05/11/18 09:14 PM)
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#4754608 - 05/11/18 09:50 PM Re: Mobil 1 TDT 5W-40 [Re: ammolab]
Garak Offline


Registered: 12/05/09
Posts: 24719
Loc: Regina, Saskatchewan, Canada
Originally Posted By: ammolab
Yes, this! A thousand posts lament the loss of SN rating on Rotella T6 and nobody seems to know this SN Delo Syn exisists

My T6 in the sump still has an SN rating, along with CK-4.
_________________________
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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#4754621 - 05/11/18 10:01 PM Re: Mobil 1 TDT 5W-40 [Re: Garak]
ammolab Offline


Registered: 01/16/06
Posts: 1002
Loc: Ruidoso, NM USA
Originally Posted By: Garak
Originally Posted By: ammolab
Yes, this! A thousand posts lament the loss of SN rating on Rotella T6 and nobody seems to know this SN Delo Syn exisists

My T6 in the sump still has an SN rating, along with CK-4.


5W-30? As in the title of the post...we are talking 5W-40, TDT, Delo, etc.
_________________________
2009 Honda CR-V
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2005 Kaw Ninja 250
1994 Jeep Wrangler 2.5L
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#4754622 - 05/11/18 10:01 PM Re: Mobil 1 TDT 5W-40 [Re: SargeBB]
john_pifer Offline


Registered: 07/08/12
Posts: 2026
Loc: Nashville, TN via Memphis
M1 5W-30 isnt typically awesome in turbo Subarus.
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16 WRX - PPPP
07 Tacoma V6 - M1 EP 5W-30, Fram Ultra, 10K OCIs, 198K
07 Yamaha R1 - Rotella T6 5W-40, Bosch 3300
07 Yamaha YZ-250, Klotz, Rotella


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#4754636 - 05/11/18 10:23 PM Re: Mobil 1 TDT 5W-40 [Re: john_pifer]
4WD Offline


Registered: 09/21/10
Posts: 6532
Loc: Texas
IIRC ... Delvac 1 ESP 5w40 is around 30% PAO and 12 TBN and seems Mobil has to be careful not to compete with Mobil on approvals but know folks who run in new PSDs regardless couple times a year Walmart will have on sale but expensive when its not

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#4754637 - 05/11/18 10:31 PM Re: Mobil 1 TDT 5W-40 [Re: ammolab]
Garak Offline


Registered: 12/05/09
Posts: 24719
Loc: Regina, Saskatchewan, Canada
Originally Posted By: ammolab
5W-30? As in the title of the post...we are talking 5W-40, TDT, Delo, etc.

True, but it still has a whack of diesel OEM approvals. Nonetheless, let's look at Rotella T6 5w-40 CK-4 (or any HDEO 5w-40 that recently lost gasoline certifications). If an E7, E9 5w-40 HDEO was suitable for your gasoline engine a few months ago, what makes that E7, E9 lubricant unsuitable for the same gasoline engine a few months later?
_________________________
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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#4754650 - 05/11/18 10:54 PM Re: Mobil 1 TDT 5W-40 [Re: 4WD]
CleverUserName Offline


Registered: 11/08/17
Posts: 195
Loc: California
Originally Posted By: 4WD
IIRC ... Delvac 1 ESP 5w40 is around 30% PAO and 12 TBN and seems Mobil has to be careful not to compete with Mobil on approvals but know folks who run in new PSDs regardless couple times a year Walmart will have on sale but expensive when its not


PAOs arent listed on the new SDS for D1. It says its group III and GTL bases now. TBN is now 12.


Edited by CleverUserName (05/11/18 11:03 PM)

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