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Shell Rotella T6 5W40 outperforms all 5W30 oils... #5187178 08/14/19 05:28 PM
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Navi Offline OP
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Blackstone released this picture in a blog article they did back in 2017...

[Linked Image]

Amsoil's response was the following:
[Linked Image]

The magic of Shell Rotella is in the viscosity. Any 5W40 oil will outperform all 5W30 oils when it comes to wear.

I was thinking of going the Rotella route but I got different answers on long term compatibility with my engine. Some folks said it was fine, one article said it would increase startup wear, etc. Various opinions on the issue so I stuck with 5W30.

Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: Navi] #5187184 08/14/19 05:39 PM
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nascarnation Offline
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Now if only it could keep the head gaskets from blowing....

Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: Navi] #5187190 08/14/19 05:48 PM
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jbutch Offline
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Originally Posted by Navi
Blackstone released this picture in a blog article they did back in 2017...

[Linked Image]

Amsoil's response was the following:
[Linked Image]

The magic of Shell Rotella is in the viscosity. Any 5W40 oil will outperform all 5W30 oils when it comes to wear.

I was thinking of going the Rotella route but I got different answers on long term compatibility with my engine. Some folks said it was fine, one article said it would increase startup wear, etc. Various opinions on the issue so I stuck with 5W30.


Loooooots of factors other than the grade there.

You are comparing an HDEO and most of the others are GF5.

Engine design is another factor that changes that is not relating to oil.

Originally Posted by nascarnation
Now if only it could keep the head gaskets from blowing....


Ah, come on it's been 10 years since the issue has been fixed.


2015 Forester XT @ 92000km
Current fill: Mobil ESP Formula 5w-30 with Fram Ultra XG7317
Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: Navi] #5187193 08/14/19 05:50 PM
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JustN89 Offline
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So we have (re)discovered from a 2 year old report that higher viscosity can lead to marginally (~.5 ppm) better wear protection in a small sample size. Ground breaking.

Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: Navi] #5187196 08/14/19 05:53 PM
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kstanf150 Offline
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Excluding Amsoil
The off the shelf 30wts were interesting results

Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: Navi] #5187201 08/14/19 05:59 PM
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Navi Offline OP
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Im just amazed at Rotella T6s cult like following. There are guys literally throwing it in any engine from a Prius to an F150 to a diesel engine. Is it really that good? Can I just throw it willy nilly in any engine without further thought? Its got me laughing a bit imagining a guy in his garage having Rotella stacked up in the background hoarding it.

Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: Navi] #5187215 08/14/19 06:12 PM
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doitmyself Offline
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In 100,000 miles the Rotella wear (best) will be 203 ppm and the Royal Purple wear (worst) will be 256 ppm. Is this significant enough to even consider the difference?

Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: Navi] #5187216 08/14/19 06:12 PM
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Garak Offline
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I've been running HDEOs in gassers for years.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: Navi] #5187223 08/14/19 06:22 PM
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BlueOvalFitter Offline
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Are you saying this is an ideal oil for my trucks engine? ???


"One Filter, One OCI!"
2007 F150, 4.2 V6
Havoline HM 5W20, MC FL-400S
"One Box, One OCI!"
Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: nascarnation] #5187224 08/14/19 06:24 PM
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skyactiv Offline
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Originally Posted by nascarnation
Now if only it could keep the head gaskets from blowing....


Head gaskets on WRX's and other turbo Subaru's never suffered anywhere near the failure rate the 2.5L naturally aspirated engines did.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
2018 Elantra Sport 6 speed manual


Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: Navi] #5187260 08/14/19 06:59 PM
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turnbowm Offline
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Several years ago, Shell Technical indicated that, with the exception of Rotella T6 Multi-Vehicle, T6 should not be used in gas cars/trucks with catalytic converters. Don't know if anything has changed since then.

https://en.wikipedia.org/wiki/Shell_Rotella_T


2015 Kia Optima EX 2.4L GDI
2015 Chevy Volt
Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: turnbowm] #5187266 08/14/19 07:04 PM
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Garak Offline
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Of course, nothing really changed. Where an E7, E9 was suitable for use a few months ago, it's still suitable for use.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: Garak] #5187276 08/14/19 07:19 PM
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turnbowm Offline
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Originally Posted by Garak
Of course, nothing really changed. Where an E7, E9 was suitable for use a few months ago, it's still suitable for use.

An ACEA E-class oil is designated for heavy-duty diesel engines. No mention of gas engines that I'm aware of.


2015 Kia Optima EX 2.4L GDI
2015 Chevy Volt
Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: turnbowm] #5187283 08/14/19 07:31 PM
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Garak Offline
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There's little in the E specs that make them unsuitable for gasoline engines. Look at E6. There are few ACEA E spec oils on the market that wouldn't meet SN (except for phosphorus in certain viscosities). In fact, I can't think of any that wouldn't do it.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Shell Rotella T6 5W40 outperforms all 5W30 oils... [Re: Garak] #5187296 08/14/19 07:39 PM
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jbutch Offline
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Originally Posted by Garak
There's little in the E specs that make them unsuitable for gasoline engines. Look at E6. There are few ACEA E spec oils on the market that wouldn't meet SN (except for phosphorus in certain viscosities). In fact, I can't think of any that wouldn't do it.


Yeah, Rotella MV 5w-30 is both E6 and SN+.

Great oil, my best UOA was on that oil.


2015 Forester XT @ 92000km
Current fill: Mobil ESP Formula 5w-30 with Fram Ultra XG7317
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