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#2343717 - 08/11/11 07:42 AM How much ZDDP in these oil ? mobil 1 and rotella
MetalSlug Offline


Registered: 07/24/10
Posts: 2032
Loc: Garland, Texas
Hi I wonder how much exactlly ZDDP on these oil, thanks you

Mobil 1 High Miles 10w30
Rotella T6 5w40
Rotella T5 10w30
Rotella 15w40
Castrol GTX High Miles 10w30
Valvoline MaxLife 10w30
Pennzoil high miles 10w30
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#2343727 - 08/11/11 07:54 AM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: MetalSlug]
A_Harman Offline


Registered: 10/01/10
Posts: 3679
Loc: Michigan
Any SM or SN 30-weight is limited to 800ppm of Phos.
SJ and SL 30-weights are allowed 1000ppm.
M1 HM 10w30 is SL-rated and has 1000ppm.
RT6 5w40 has 1200ppm.
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2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
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#2343730 - 08/11/11 07:58 AM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: MetalSlug]
Eddie Offline


Registered: 12/07/03
Posts: 6414
Loc: Florida, Cape Coral
You have some homework to do yourself. I would start looking a VOAs of which there are some extensive lists availiable.
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#2343737 - 08/11/11 08:06 AM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: A_Harman]
MetalSlug Offline


Registered: 07/24/10
Posts: 2032
Loc: Garland, Texas
Originally Posted By: A_Harman
Any SM or SN 30-weight is limited to 800ppm of Phos.
SJ and SL 30-weights are allowed 1000ppm.
M1 HM 10w30 is SL-rated and has 1000ppm.
RT6 5w40 has 1200ppm.


thanks ! that t6 sure have high zddp.
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#2343824 - 08/11/11 10:04 AM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: A_Harman]
RD400 Offline


Registered: 06/20/06
Posts: 203
Loc: SoCal
Originally Posted By: A_Harman
Any SM or SN 30-weight is limited to 800ppm of Phos.
.........
RT6 5w40 has 1200ppm.


But RT6 is SM rated (?)
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#2343839 - 08/11/11 10:17 AM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: MetalSlug]
dparm Offline


Registered: 04/19/10
Posts: 11812
Loc: Lombard, IL
Rotella T6 is not 1200ppm, I think it's more like 800-1000.
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#2343842 - 08/11/11 10:23 AM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: MetalSlug]
bepperb Offline


Registered: 01/10/08
Posts: 4554
Loc: Milwaukee, WI
RT6 is not a 30 weight oil.

The zddp limit of 800 only applies to "energy conserving" and now "resource conserving" oils, which are all 30 weight or under.
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#2343844 - 08/11/11 10:25 AM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: MetalSlug]
BobFout Offline


Registered: 03/23/09
Posts: 2682
Loc: Indiana


Edited by BobFout (08/11/11 10:26 AM)
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#2343879 - 08/11/11 11:05 AM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: MetalSlug]
vintageant Offline


Registered: 10/27/06
Posts: 159
Loc: Florida, USA
From a recent similar post:

3 UOAs I did earlier this year showed Zinc levels at:

Rotella T 10W-30 1193
Rotella 15W-40 1145
Rotella 15W-40 1051
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#2343932 - 08/11/11 12:28 PM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: MetalSlug]
Torrid Offline


Registered: 11/07/10
Posts: 403
Loc: Las Vegas, NV
I still can't decide if I should worry about the ZDDP drop in oils. I know GM V8s have not had the best wear numbers with M1 5w30 so I'm running some tests on my LS1. First test is a UOA on my current fill 5.5qts M1 1qt M1 15w50 and ZDDP Maxx at 5k miles. I then have three runs of 5w30 with a mix of 0w40 and a very small dose of ZDDP Maxx. Each blend will be slightly thinner on all SM oils and then a straight 5w30 SM run and then I'll try the new M1 5w30 SN. My goal is to find out if that 12cst recommendation for LS motors is really true or if it really is about elevated ZDDP levels and then how SM compares to SN.

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#2343939 - 08/11/11 12:42 PM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: RD400]
A_Harman Offline


Registered: 10/01/10
Posts: 3679
Loc: Michigan
Originally Posted By: RD400
Originally Posted By: A_Harman
Any SM or SN 30-weight is limited to 800ppm of Phos.
.........
RT6 5w40 has 1200ppm.


But RT6 is SM rated (?)


It can do that because 40-weights don't have limits on Phosphorous, even in SM or SN specs.
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1985 Z51 Corvette track car
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
1972 GMC 1500 shortbed project truck

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#2343945 - 08/11/11 12:51 PM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: MetalSlug]
aquariuscsm Offline


Registered: 12/30/06
Posts: 8928
Loc: South Texas,USA
Afaik,all 40 weights and up have no cafe limits.
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#2343949 - 08/11/11 12:57 PM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: Torrid]
A_Harman Offline


Registered: 10/01/10
Posts: 3679
Loc: Michigan
Originally Posted By: Torrid
I still can't decide if I should worry about the ZDDP drop in oils. I know GM V8s have not had the best wear numbers with M1 5w30 so I'm running some tests on my LS1. First test is a UOA on my current fill 5.5qts M1 1qt M1 15w50 and ZDDP Maxx at 5k miles. I then have three runs of 5w30 with a mix of 0w40 and a very small dose of ZDDP Maxx. Each blend will be slightly thinner on all SM oils and then a straight 5w30 SM run and then I'll try the new M1 5w30 SN. My goal is to find out if that 12cst recommendation for LS motors is really true or if it really is about elevated ZDDP levels and then how SM compares to SN.


In an LS1, I think the SL oil limit of 1000ppm is safe. I ran my LS1 on M1 5w30 since it was new, and kept using it even after the change to SM. I changed over to M1 HM 5w30 last year after joining BITOG and finding out that SM oils had lower zddp. Now I'm running Redline 5w30 in it, but that is not because I was dissatisfied with M1. I just wanted to try something different. The engine still runs great and consumes very little oil at 164K miles, and after a lot of running on race tracks.

Many people on the GM websites advocate German Castrol, which is where the 12cSt number comes in. Some say the thicker oil helps with piston slap, others don't. One of the oil mixes that is on my list to try is M1 0w40/0w30. These two can be blended to get the target 12cSt KV100, but will have a higher VI than the vaunted GC.
_________________________
1985 Z51 Corvette track car
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
1972 GMC 1500 shortbed project truck

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#2343962 - 08/11/11 01:26 PM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: MetalSlug]
Torrid Offline


Registered: 11/07/10
Posts: 403
Loc: Las Vegas, NV
I'd be more than happy to see M1 5w30 SN to have great wear numbers. Unfortunately there is not hard evidence on stock valvetrain wear. The majority of the LS1 UOAs on the GTO forums are to monitor new cams. I've seen failures on different brands of 5w30 in these cars, but everyone I've seen has had a cam at the very least. Of those every failure was using an SM oil and no additives. One was running M1 0w40 but had a high lift with very stiff springs. I'm just street tuned to dial in fuel and spark and even still have stock manifolds and exhaust.

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#2344191 - 08/11/11 06:42 PM Re: How much ZDDP in these oil ? mobil 1 and rotella [Re: RD400]
Garak Offline


Registered: 12/05/09
Posts: 9880
Loc: Regina, Saskatchewan, Canada
Originally Posted By: RD400
But RT6 is SM rated (?)


But it is not GF-4, which people forget is the more significant factor in limiting ZDDP.
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Plain, simple Garak.

2008 Infiniti G37 coupe - Mobil Delvac 1 ESP 5w-40, Hastings LF113
1984 F-150 4.9L six - Quaker State GB 10w-30, Wix 51515

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